(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

(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
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(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 blood in mammals and birds because they need high energy and large amount of oxygen. The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.
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Related questions

The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions(a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg (b) D - Dorsal aorta - Takes blood from heart to body parts, pO2 = 95 mm Hg (c) A - Pulmonary vein - Takes impure blood from body parts, pO2 = 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg.

Description : The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions. (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 ... 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg

Last Answer : (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg

(a) Draw a sectional view of the human heart and label on it – Aorta, Right ventricle and Pulmonary veins. (b) State the functions of the following components of transport system: (i) Blood (ii) Lymph -Biology

Description : (a) Draw a sectional view of the human heart and label on it – Aorta, Right ventricle and Pulmonary veins. (b) State the functions of the following components of transport system: (i) Blood (ii) Lymph -Biology

Last Answer : Answer.(a) (b) The functions of blood and lymph are as follows: (i) BloodOxygen is transported by the blood to the tissues of the body for the breakdown of digested food.Carbon dioxide is ... without which nothing will diffuse. (iii) A thin surface across which gases diffuse. (iv) Warm conditions.

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds ? -Biology

Description : Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds ? -Biology

Last Answer : Separation of oxygenated and deoxygenated blood allows good supply of oxygen to the body. This system is useful in animals that have high energy requirement. Mammals and birds constantly need oxygen to get energy to maintain their body temperature constant.

When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : (3) Aorta Explanation: As the left ventricle contracts, the oxygenated blood is pumped into the main artery of the body — the aorta. To get to the aorta, blood passes through the aortic semilunar valve, which serves to keep blood flowing from the aorta back into the left ventricle.

When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : Aorta

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.

The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. (a) B - Capillary-Thin without muscle layer and wall two cell layers thick (b) C - Vein-Thin walled and blood flows in jerks/ spurts (c) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg (d) A - Artery-Thick walled and blood flows evenly

Description : The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. (a) B - Capillary-Thin without muscle layer and ... blood to heart, pO2 = 95 mmHg (d) A - Artery-Thick walled and blood flows evenly

Last Answer : (c) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg

Which of the following brings back deoxygenated blood from different parts of human body to heart? (1) Veins (2) Arteries (3) Nerves (4) Lungs

Description : Which of the following brings back deoxygenated blood from different parts of human body to heart? (1) Veins (2) Arteries (3) Nerves (4) Lungs

Last Answer : (1) Veins

In mammals and birds why is it necessary to separate oxygenated and de-oxygenated blood -Biology

Description : In mammals and birds why is it necessary to separate oxygenated and de-oxygenated blood -Biology

Last Answer : Mammals and birds are warm blooded animals. This means they can control their body temperature and do not have to depend on environment for their body temperature regulation. Because of this ... required to have separate oxygenated and de-oxygenated blood to supply the required amount of oxygen.

(a) Draw a diagram of excretory system in human beings and label the following parts. Aorta, kidney, urinary bladder and urethra.(b) How is urine produced and eliminated ? -Biology

Description : (a) Draw a diagram of excretory system in human beings and label the following parts. Aorta, kidney, urinary bladder and urethra.(b) How is urine produced and eliminated ? -Biology

Last Answer : Answer.(a) (b) Blood from the heart comes into the kidneys afferent and efferent arteriols from the renal arteries where it enters about 2-3 million nephrons per kidney. Then, it goes through the ... goes through ureters to bladder and then to urethra where it is excreted out of body as urine.

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed down. (b) The ‘pacemaker’ will stop working. (c) The blood will tend to flow back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Description : If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed ... back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Last Answer : (d) The flow of blood into the pulmonary artery will be reduced.

The largest artery in human body is (1) Aorta (2) Capillary (3) Vena cava (4) Pulmonary vein

Description : The largest artery in human body is (1) Aorta (2) Capillary (3) Vena cava (4) Pulmonary vein

Last Answer : Aorta

Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has (a) no endothelium (b) valves (c) thicker walls (d) oxygenated blood.

Description : Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has (a) no endothelium (b) valves (c) thicker walls (d) oxygenated blood.

Last Answer : (c) thicker walls

The blood vessel which carries oxygenated blood to the liver is (1) Coronary Artery (2) Pulmonary Artery (3) Carotid Artery (4) Hepatic Artery

Description : The blood vessel which carries oxygenated blood to the liver is (1) Coronary Artery (2) Pulmonary Artery (3) Carotid Artery (4) Hepatic Artery

Last Answer : Hepatic Artery

Blood flows via the out flow tracts of the heart into (a) aorta and carotid arteries (b) aorta, carotid and subclavian arteries (c) aorta and pulmonary artery (d) both (b) & (c)

Description : Blood flows via the out flow tracts of the heart into (a) aorta and carotid arteries (b) aorta, carotid and subclavian arteries (c) aorta and pulmonary artery (d) both (b) & (c)

Last Answer : Ans:(b)

Blood pressure in the pulmonary artery is (a) more than that in the pulmonary vein (b) less than that in the venae cavae (c) same as that in the aorta (d) more than that in the carotid.

Description : Blood pressure in the pulmonary artery is (a) more than that in the pulmonary vein (b) less than that in the venae cavae (c) same as that in the aorta (d) more than that in the carotid.

Last Answer : (a) more than that in the pulmonary vein

Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?

Description : Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?

Last Answer : Left ventricle

With regard to the transport of carbon dioxide in blood: a. 25% of carbon dioxide is dissolved in blood b. carbonic anhydrase is found in plasma c. 50% of carbon dioxide is carried as bicarbonate d. deoxygenated haemoglobin facilitates the transport of carbon dioxide

Description : With regard to the transport of carbon dioxide in blood: a. 25% of carbon dioxide is dissolved in blood b. carbonic anhydrase is found in plasma c. 50% of carbon dioxide is carried as bicarbonate d. deoxygenated haemoglobin facilitates the transport of carbon dioxide

Last Answer : deoxygenated haemoglobin facilitates the transport of carbon dioxide

What vessel carries the venous blood to the lungs for oxygenation? (1) Pulmonary arteries (2) Pulmonary veins (3) Pulmonary arteriovenous shunt (4) Right ventricle

Description : What vessel carries the venous blood to the lungs for oxygenation? (1) Pulmonary arteries (2) Pulmonary veins (3) Pulmonary arteriovenous shunt (4) Right ventricle

Last Answer : (1) Pulmonary arteries Explanation: Pulmonary arteries carry venous blood from the right ventricle of the heart to the lungs. They carry deoxygenated blood to the lungs, where it releases carbon dioxide and pick up oxygen during respiration.

What vessel carries the venous blood to the lungs for oxygenation ? (1) Pulmonary arteries (2) Pulmonary veins (3) Pulmonary arterio-venous shunt (4) Right ventricle

Description : What vessel carries the venous blood to the lungs for oxygenation ? (1) Pulmonary arteries (2) Pulmonary veins (3) Pulmonary arterio-venous shunt (4) Right ventricle

Last Answer : Pulmonary arteries

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 blood vessel carrying blood from the lungs to the heart is – (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery

Description : The blood vessel carrying blood from the lungs to the heart is – (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery

Last Answer : (3) Pulmonary vein Explanation: The pulmonary veins are large blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart. In humans there are four pulmonary ... lung. They carry oxygenated blood, which is unusual since almost all other veins carry deoxygenated blood.

The blood vessel carrying blood from the lungs to the heart is (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery

Description : The blood vessel carrying blood from the lungs to the heart is (1) Hepatic artery (2) Pulmonary artery (3) Pulmonary vein (4) Renal artery

Last Answer :  Pulmonary vein

Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals. (c) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Description : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Last Answer : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated ... . If both Assertion & Reason are false.

Mixing of oxygenated and deoxygenated blood occurs in the ventricle of

Description : Mixing of oxygenated and deoxygenated blood occurs in the ventricle of

Last Answer : Mixing of oxygenated and deoxygenated blood occurs in the ventricle of A. Scoliodon B. Rabbit C. Frog D. None of these

`{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Description : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Last Answer : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D) ... 45, 40, 95, 40 D. 40, 45, 40, 40

Prawn heart carries - (1) no blood (2) deoxygenated blood (3) oxygenated blood (4) mixed blood

Description : Prawn heart carries - (1) no blood (2) deoxygenated blood (3) oxygenated blood (4) mixed blood

Last Answer : (3) oxygenated blood

In which vertebrate oxygenated and deoxygenated blood gets mixed (1) Fish (2) Amphibian (3) Bird (4) Mammal

Description : In which vertebrate oxygenated and deoxygenated blood gets mixed (1) Fish (2) Amphibian (3) Bird (4) Mammal

Last Answer : (2) Amphibian Explanation: If the oxygenated blood and deoxygenated blood mixed, then blood would circulate through the body without being fully oxygenated. Also the deoxygenated blood is supposed to take that trip through the lungs to give up the carbon dioxide.

In which living oxygenated and deoxygenated blood combined

Description : In which living oxygenated and deoxygenated blood combined

Last Answer : Amphibian

Prawn heart carries (1) no blood (2) deoxygenated blood (3) oxygenated blood (4) mixed blood

Description : Prawn heart carries (1) no blood (2) deoxygenated blood (3) oxygenated blood (4) mixed blood

Last Answer : oxygenated blood

In which vertebrate oxygenated and deoxygenated blood gets mixed ? (1) Fish (2) Amphibian (3) Bird (4) Mammal

Description : In which vertebrate oxygenated and deoxygenated blood gets mixed ? (1) Fish (2) Amphibian (3) Bird (4) Mammal

Last Answer : Amphibian

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

How is the alveoli adapted for gas exchange between air in the lungs and blood in the capillaries?

Description : How is the alveoli adapted for gas exchange between air in the lungs and blood in the capillaries?

Last Answer : Need answer

Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Description : Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Last Answer : (3) Pulmonary arteries Explanation: A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs.

Draw a diagram of human excretory system and label renal artery and urethra. State in brief the function of : renal artery kidney ureter urinary bladder -Biology

Description : Draw a diagram of human excretory system and label renal artery and urethra. State in brief the function of : renal artery kidney ureter urinary bladder -Biology

Last Answer : Answer. Renal artery: The renal artery carries blood to the kidneys from the abdominal aorta. This blood comes directly from the heart and is sent to the-kidneys to be filtered before it passes ... expandable muscular sac that stores urine before it is excreted out of the body through the urethra.

The large startery in human body is – (1) Aorta (2) Capillaiy (3) Vena cava (4) Pulmonary vein

Description : The large startery in human body is – (1) Aorta (2) Capillaiy (3) Vena cava (4) Pulmonary vein

Last Answer : (1) Aorta Explanation: The aorta is the largest artery of the human body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.

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

The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the deoxygenated blood through diffusion bec

Description : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the deoxygenated blood through diffusion bec

Last Answer : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the ... it 40mm Hg and 46 mm Hg respectively

How is oxygen and carbon dioxide transported in human beings ? -Biology

Description : How is oxygen and carbon dioxide transported in human beings ? -Biology

Last Answer : (i) Transport of oxygen : Haemoglobin present in the blood takes up the oxygen from the air in the lungs. It carries the oxygen to tissues which are deficient in oxygen before releasing it. (ii) ... the dissolved form in our blood plasma to lungs. Here it diffuses from blood to air in the lungs.

The ventilation movements of the lungs in mammals are governed by (a) muscular walls of lung (b) diaphragm (c) intercostal muscles (d) both (b) and (c)

Description : The ventilation movements of the lungs in mammals are governed by (a) muscular walls of lung (b) diaphragm (c) intercostal muscles (d) both (b) and (c)

Last Answer : (d) both (b) and (c).

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).

How are the lungs designed in human beings to maximise the area for exchange of gases ? -Biology

Description : How are the lungs designed in human beings to maximise the area for exchange of gases ? -Biology

Last Answer : Within the lungs, the air passage divides into smaller and smaller tubes, called bronchi which in turn form bronchioles. The bronchioles terminate in balloon-like structures, called alveoli. The ... vary thin walls and contain an extensive network of blood vessels to facilitate exchange of gases.

Which of the following statement(s) is/are true concerning oxygen consumption (O2)? a. O2 is normally 100–120 cc2/m2/min b. Resting O2 is controlled by the level of thyroid and catecholamine hormones c. Under steady state conditions the amount of oxygen consumed exceeds the amount of oxygen taken up by the pulmonary capillaries d. O2 is dependent on the status of pulmonary function

Description : Which of the following statement(s) is/are true concerning oxygen consumption (O2)? a. O2 is normally 100-120 cc2/m2/min b. Resting O2 is controlled by the level of thyroid and catecholamine ... of oxygen taken up by the pulmonary capillaries d. O2 is dependent on the status of pulmonary function

Last Answer : Answer: a, b Oxygen consumed in the process of metabolism is expressed as the volume of oxygen per minute (O2). O2 is normally 100-120 cc2/m2/min, or 200 cc/min for a typical adult. ... , so we measure O2 across the lung and assume that it is exactly the amount consumed in the systemic metabolism