The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body

The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body
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pump blood to different parts of the body
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Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes

Description : Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes

Last Answer : Ans:(b)

Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Description : Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Last Answer : (b) Secretes oxytocin during parturition

Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels in blood, present mostly as a bicarbonate ion, can quickly change c. Normally the amount of carbon dioxide excreted through the lung is exactly equal to the amount of carbon dioxide produced in peripheral tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Description : Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels ... tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Last Answer : Answer: a, c, d The total amount of carbon dioxide produced by systemic metabolism is roughly equivalent to the amount of oxygen consumed (100-120 cc/m2/min, 200 cc/min in a typical ... carbon dioxide excreted is a function of ventilation of perfused alveoli (i.e. the alveolar ventilation/min).

Arteries are best defined as the vessels which (a) supply oxygenated blood to the different organs (b) carry blood away from the heart to different organs (c) break up into capillaries which reunite to form a vein (d) carry blood from one visceral organ to another visceral organ

Description : Arteries are best defined as the vessels which (a) supply oxygenated blood to the different organs (b) carry blood away from the heart to different organs (c) break up into capillaries which reunite to form a vein (d) carry blood from one visceral organ to another visceral organ

Last Answer : (b) carry blood away from the heart to different organs

How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Description : How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Last Answer : (a) By forming a stable compound with haemoglobin

Bulk of carbon dioxide `(CO_(2))` released from body tissues into the blood is present as

Description : Bulk of carbon dioxide `(CO_(2))` released from body tissues into the blood is present as

Last Answer : Bulk of carbon dioxide `(CO_(2))` released from body tissues into the blood is present as A ... . `70%` carbamino-haemoglobin and `30%` as bicarbonate

Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as (a) bicarbonate in blood plasma and RBCs(b) free CO2 in blood plasma (c) 70% carbamino-haemoglobin and 30% as bicarbonate (d) carbamino-haemoglobin in RBCs.

Description : Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as (a) bicarbonate in blood plasma and RBCs (b) free CO2 in blood plasma (c) 70% carbamino-haemoglobin and 30% as bicarbonate (d) carbamino-haemoglobin in RBCs.

Last Answer : (a) bicarbonate in blood plasma and RBCs

What is the difference between arteries and veins? a) Arteries carry blood away from the heart, while veins carry blood back to the heart. b) Arteries carry oxygenated blood, while veins carry deoxygenated blood c) They are the same thing. d) Arteries carry food to our cells, while veins carry oxygen to our cells.

Description : What is the difference between arteries and veins? a) Arteries carry blood away from the heart, while veins carry blood back to the heart. b) Arteries carry oxygenated blood, while veins carry deoxygenated ... same thing. d) Arteries carry food to our cells, while veins carry oxygen to our cells.

Last Answer : a) Arteries carry blood away from the heart, while veins carry blood back to the heart.

How do the red blood cells carry oxygen to the tissues? -Biology

Description : How do the red blood cells carry oxygen to the tissues? -Biology

Last Answer : answer:

A waste product in the metabolism of glucose in cells is: w) oxygen x) methane y) carbon dioxide z) urea

Description : A waste product in the metabolism of glucose in cells is: w) oxygen x) methane y) carbon dioxide z) urea

Last Answer : ANSWER: C -- CARBON DIOXIDE 

Exchange of oxygen, carbon dioxide, nutrients and waste products from mother to fetus occurs through diffusion across the: a) chorionic villi (pron: core-e-on-ick villi) b) endometrium c) corpus luteum d) colostrum

Description : Exchange of oxygen, carbon dioxide, nutrients and waste products from mother to fetus occurs through diffusion across the: a) chorionic villi (pron: core-e-on-ick villi) b) endometrium c) corpus luteum d) colostrum

Last Answer : ANSWER: A -- CHORIONIC VILLI

To carry out photosynthesis plants require – (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Description : To carry out photosynthesis plants require – (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Last Answer : (2) Carbon-dioxide Explanation: In photosynthesis, carbon dioxide is converted into sugars in a process called carbon fixation. Carbon fixation is a redox reaction, so photosynthesis needs to ... the electrons needed to convert carbon dioxide into a carbohydrate, which is a reduction reaction.

To carry out photosynthesis plants require (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Description : To carry out photosynthesis plants require (1) Oxygen (2) Carbon-dioxide (3) Nitrogen (4) Hydrogen

Last Answer : Carbon-dioxide

The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis happens and the peripheral tissues. In addition the circulatory speed also heightens making possible more oxygen supply to great consuming tissues, like the muscle tissues that then can perform faster movements. Animals with an open circulatory system (with the exception of insects that do gas exchange independently from the circulation) are generally slower and have a low metabolic rate.

Description : The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis ... exchange independently from the circulation) are generally slower and have a low metabolic rate.

Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?

Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Description : Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Last Answer : Ans:(a)

Most of the carbon dioxide picked up by the blood in the tissues: a) dissolves in the plasma b) unites with hemoglobin c) forms microscopic bubbles d) diffuses into the alveoli

Description : Most of the carbon dioxide picked up by the blood in the tissues: a) dissolves in the plasma b) unites with hemoglobin c) forms microscopic bubbles d) diffuses into the alveoli

Last Answer : ANSWER: A -- DISSOLVES IN THE PLASMA

The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the body (c) it pumps oxygenated blood with tremendous force to various parts of the body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

Description : The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the ... body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

Last Answer : Ans:(c)

How much food do you waste/throw away from your residence?

Description : How much food do you waste/throw away from your residence?

Last Answer : Hardly anything. When I buy a chicken, I use everything but the squawk.

Which blood vessels carry oxygen-rich blood from the heart to the rest of the body?

Description : Which blood vessels carry oxygen-rich blood from the heart to the rest of the body?

Last Answer : The large artery connected to the heart, called the Aorta.

Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Last Answer : ANSWER: W -- LIMESTONE AND CARBON

Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL

When Carbon monoxide reduces the ability of red blood cells to carry oxygen this can lead to brain damage which 3 systems of the body interact in this situation?

Description : When Carbon monoxide reduces the ability of red blood cells to carry oxygen this can lead to brain damage which 3 systems of the body interact in this situation?

Last Answer : Need answer

Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How do small animals solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for larger animals?

Description : Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How do small animals solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for larger animals?

Last Answer : Small animals whose tissues make direct contact or are very close to the environment, like cnidarians and poriferans, make gas exchange by diffusion. Larger animals with cells without direct ... the circulatory systems play this role. Breathing Process Review - Image Diversity: respiratory system

(a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to lungs, Aorta to body, Pulmonary veins from lungs. (b) What is the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology

Description : (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to ... the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology

Last Answer : (a) A schematic representation of transportation and exchange of oxygen and carbon dioxide during transportation of blood in human beings (b) It is necessary to separate oxygenated and deoxygenated ... . The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.

How is the movement of oxygen different from the movement of carbon dioxide in the body?

Description : How is the movement of oxygen different from the movement of carbon dioxide in the body?

Last Answer : because your mind is not working

The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.

Description : The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.

Last Answer : (c) In passing the waste product, in the dialyzing solution.

The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases

Description : The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases 

Last Answer : protect body against diseases

$ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood away from heart are called capillaries.

Description : $ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood away from heart are called capillaries.

Last Answer : $ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood ... wrong D. If both As and R are wrong.

Which of the following statements does NOT apply to arteries when comparing them to veins: a) have thick walls b) carry blood away from heart c) highly elastic walls d) have valves.

Description : Which of the following statements does NOT apply to arteries when comparing them to veins: a) have thick walls b) carry blood away from heart c) highly elastic walls d) have valves.

Last Answer : ANSWER: D -- HAVE VALVES 

How is carbon dioxide released by cellular respiration transported from the tissues to be eliminated through the lungs?

Description : How is carbon dioxide released by cellular respiration transported from the tissues to be eliminated through the lungs?

Last Answer : In vertebrates almost 70% of the carbon dioxide is transported by the blood in the form of bicarbonate, 25% bound to hemoglobin and 5% dissolved in the plasma.

Carbon dioxide is transported from tissues to respiratory surface by only (a) plasma and erythrocytes (b) plasma (c) erythrocytes (d) erythrocytes and leucocytes

Description : Carbon dioxide is transported from tissues to respiratory surface by only (a) plasma and erythrocytes (b) plasma (c) erythrocytes (d) erythrocytes and leucocytes

Last Answer : (a) plasma and erythrocytes

The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. (a) C : Arterial capillary - Passes oxygen to tissues (b) A : Alveolar cavity - Main site of exchange of respiratory gases (c) D : Capillary wall - Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases

The bacterial enzyme ______ assists the spread of bacteria away from a blood clot, while ______ assists the spread through body tissues. a. Streptokinase; Hyaluronidase b. Streptokinase; Hemolysin c. Coagulase; Hyaluronidase d. Coagulase; Hemolysin

Description : The bacterial enzyme ______ assists the spread of bacteria away from a blood clot, while ______ assists the spread through body tissues. a. Streptokinase; Hyaluronidase b. Streptokinase; Hemolysin c. Coagulase; Hyaluronidase d. Coagulase; Hemolysin

Last Answer : a. Streptokinase; Hyaluronidase

transfer waste filled blood from tissues into the pulmonary circulation -General Knowledge

Description : transfer waste filled blood from tissues into the pulmonary circulation -General Knowledge

Last Answer : Capillaries transfer waste-filled blood from tissues into the pulmonary circulation.

What disease occurs when there is an abnormal increase in the number of white blood cells which results in fewer red blood cells carrying oxygen to body tissues?

Description : What disease occurs when there is an abnormal increase in the number of white blood cells which results in fewer red blood cells carrying oxygen to body tissues?

Last Answer : Leukemia

A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of blood to 75 mm of Hg (c) is enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.

Description : A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of ... enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.

Last Answer : (a) acts as a reserve during muscular exercise

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function? (A) (B) (C) (D) Tissue Location Function (a) (B) Glandular Intestine Secretion epithelium (b) (C) Collagen Cartilage Attach skeletal fibres muscles to bones(c) (D) Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Description : The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its ... Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Last Answer : (a) (B) Glandular Intestine Secretion epithelium

For elasto-hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For elasto-hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (C) There should be elastic deformation of the parts in contact

For hydrostatic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For hydrostatic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (B) There should be external source like pump to supply lubricant under pressure

For hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to supply lubricant under pressure (C) There should be elastic deformation of the parts in contact (D) There should be metal to metal contact

Description : For hydrodynamic lubrication (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space (B) There should be external source like pump to ... be elastic deformation of the parts in contact (D) There should be metal to metal contact

Last Answer : (A) There should be relative motion between the surfaces of the journal and the bearing and wedge shaped clearance space

In the cell which organelle has the function of using oxygen in the breakdown of glucose releasing energy and carbon dioxide?

Description : In the cell which organelle has the function of using oxygen in the breakdown of glucose releasing energy and carbon dioxide?

Last Answer : The mitochondria.

Which one of the following pairs of structures is correctly matched with their corrected description? Structures Description (a) Tibia and fibula Both form parts of knee joint (b) Cartilage and cornea No blood supply but do require oxygen for respiratory need (c) Shoulder joint and Ball and socket type elbow joint of joint (d) Premolars and molars 20 in all and 3 rooted

Description : Which one of the following pairs of structures is correctly matched with their corrected description? Structures Description (a) Tibia and fibula Both form parts of knee joint (b) Cartilage and cornea No ... and socket type elbow joint of joint (d) Premolars and molars 20 in all and 3 rooted

Last Answer : (b) it is a non-living layer

Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Description : Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Last Answer : Tissues located in different parts of body like pituitary, pineal, thyroid etc. are coutns as

Draw a diagram of the front view of human heart and label any six parts including at least two, that are concerned with arterial blood supply to the heart muscles. -Biology

Description : Draw a diagram of the front view of human heart and label any six parts including at least two, that are concerned with arterial blood supply to the heart muscles. -Biology

Last Answer : This is the Answer.

Describe the transport of oxygen and carbon dioxide in the blood?

Description : Describe the transport of oxygen and carbon dioxide in the blood? 

Last Answer : Transport of oxygen: - Oxygen is transported in two ways: - i) Through plasma only small amount of oxygen is dissolved in hemoglobin. ii) Through hemoglobin 20 ml oxygen is transported in ... form carbamino compound. iii) 6% of carbon dioxide is simply dissolved in the blood. 

Carbon dioxide in blood: a. is more soluble than oxygen b. is carried in combination with plasma c. carries mainly as bicarbonate ions d. all

Description : Carbon dioxide in blood: a. is more soluble than oxygen b. is carried in combination with plasma c. carries mainly as bicarbonate ions d. all

Last Answer : all

Cerebral blood flow is increase in: a. chronic anaemia b. inhalation of 5% carbon dioxide c. seizures d. inhalation of hyperbaric oxygen

Description : Cerebral blood flow is increase in: a. chronic anaemia b. inhalation of 5% carbon dioxide c. seizures d. inhalation of hyperbaric oxygen

Last Answer : chronic anaemia

The partial pressure of oxygen in the alveoli of the lungs is (a) equal to that in the blood (b) more than that in the blood (c) less than that in the blood (d) less than that of carbon dioxide.

Description : The partial pressure of oxygen in the alveoli of the lungs is (a) equal to that in the blood (b) more than that in the blood (c) less than that in the blood (d) less than that of carbon dioxide.

Last Answer : (b) more than that in the blood