What is the number of air sacs in the lungs ?

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The number of air sacs in the lungs is 18 crores
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What is the term for the tiny air sacs in the lungs?

Description : What is the term for the tiny air sacs in the lungs?

Last Answer : Alveoli

Lining of blood vessel and air sacs of lungs are made up of : -

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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.

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

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of (a) inspiratory reserve volume (b) tidal volume (c) expiratory reserve volume (d) residual volume.

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Last Answer : (d) residual volume.

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of: (1) Inspiratory Reserve Volume (2) Tidal Volume (3) Expiratory Reserve Volume (4) Residual Volume

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Last Answer : (4) Residual Volume

Why do brids not have respiratory trouble at the time of flying at high altitude ? (1) Their lungs are very large (2) They fly inactively (3) They have extra air sacs (4) They use less oxygen

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The presence of air sacs is a feature of which class ?

Description : The presence of air sacs is a feature of which class ?

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Air sacs are found only inn

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Last Answer : (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia

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Why are dental sacs made?

Description : Improper tooth cleaning?

Last Answer : Improper dental care and usually causes untreated or late-treated caries

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Scrotal sacs of man and rabbit are connected with the abdominal cavity by

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In mammals, the testes occur in scrotal sacs outside the abdomen because of the

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The structures that are formed by stacking of organized flattered membrances sacs in the chloroplasts are

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What Thylakoids are membrane sacs that contain?

Description : What Thylakoids are membrane sacs that contain?

Last Answer : chlorophyll

Which of the following conditions related to smoking involves damage to the alveoli sacs? A. Lung Cancer B. Atherosclerosis C. Emphysema (Answer) D. Asthma

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.In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

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Last Answer : (a) nucellus or integuments

Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

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The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.

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Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) Infoldings in mitochondria (a) A-(iii), B-(i), C-(iv), D-(ii) (b) A-(iii), B-(iv), C-(ii), D-(i) (c) A-(iv), B-(iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

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Each chloroplast encloses a system of flattened, membranous sacs called (A) Cristae (B) Thylakoids (C) Plastids (D) Cisternae

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In flowers the terminal part of a stamen, containing the pollen sacs is known as the: a) anther b) style c) filament d) pistil

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I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I? -Riddles

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what if I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Description : what if I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Last Answer : ready

What surrounds each air sac in the lungs ?

Description : What surrounds each air sac in the lungs ?

Last Answer : Each air sac in the lungs is surrounded by capillaries.

How does air enter the lungs ?

Description : How does air enter the lungs ?

Last Answer : Air enters the lungs through the trachea.

What is used to determine the amount of air in the lungs ?

Last Answer : The amount of air in the lungs is determined using a spirometer

What is the entry of air into the lungs called ?

Last Answer : The entry of air into the lungs is called respiration.

What is the air holding capacity of the lungs of a full grown person ?

Last Answer : The air capacity of the lungs of an adult is 6 liters.

Assertion `:-` The volume of air a person can expire after normal inspiration is TV `=` ERV Reason `:-` Volume of air that will remain in the lungs af

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Last Answer : Assertion `:-` The volume of air a person can expire after normal inspiration is TV `=` ERV Reason ... False. D. If both Assertion & Reason are false.

Total volume of air accommodate in the lungs at the end of forced inspiration `:-`

Description : Total volume of air accommodate in the lungs at the end of forced inspiration `:-`

Last Answer : Total volume of air accommodate in the lungs at the end of forced inspiration `:-` A. TV `+` IRV B. TV `+` IRV ... `+` ERV D. TV `+` IRV`+` ERV`+` RV

In lungs, the air is separated from the venous blood through

Description : In lungs, the air is separated from the venous blood through

Last Answer : In lungs, the air is separated from the venous blood through A. Squamous epithelium `+` tunica ... epithelium `+` 3 layered wall of bood vessel.

Voluem of air remains in the lungs after normal expiration is

Description : Voluem of air remains in the lungs after normal expiration is

Last Answer : Voluem of air remains in the lungs after normal expiration is A. ERV `+` RV B. IRV `+` RV C. RV`+` IRV `+` ERV D. TV

About 1500 ml of air left in lungs is called

Description : About 1500 ml of air left in lungs is called

Last Answer : About 1500 ml of air left in lungs is called A. Tidal volume B. Inspiratory reserve volume C. Residual volume D. Vital capacity

Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

Description : Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

Last Answer : Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

Description : Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

Last Answer : Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

What is The slimy liquid inside you nose and lungs to trap dirt from the air?

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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?

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What is the pressure of the air, in atm, in the lungs when the gas expands to 175.0 mL at a body temperature of 37 ∘C, and the amount of gas remains constant?

Description : What is the pressure of the air, in atm, in the lungs when the gas expands to 175.0 mL at a body temperature of 37 ∘C, and the amount of gas remains constant?

Last Answer : I don’t understand the question

Persons in asbestos factories are affected by air pollution, the most affected part of their body is the (a) eye (b) throat (c) lungs (d) skin

Description : Persons in asbestos factories are affected by air pollution, the most affected part of their body is the (a) eye (b) throat (c) lungs (d) skin

Last Answer : Ans:(c)

In lungs, the air is separated from the venous blood through (a) transitional epithelium + tunica externa of blood vessel (b) squamous epithelium + endothelium of blood vessel (c) squamous epithelium + tunica media of blood vessel (d) none of the above

Description : In lungs, the air is separated from the venous blood through (a) transitional epithelium + tunica externa of blood vessel (b) squamous epithelium + endothelium of blood vessel (c) squamous epithelium + tunica media of blood vessel (d) none of the above

Last Answer : (b) squamous epithelium + endothelium of blood vessel

In man and mammals, air passes from outside into the lungs through (a) nasal cavity, larynx, pharynx, trachea, bronchi, alveoli (b) nasal cavity, larynx, pharynx, trachea, bronchioles, alveoli (c) nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

Description : In man and mammals, air passes from outside into the lungs through (a) nasal cavity, larynx, pharynx, trachea, bronchi, alveoli (b) nasal cavity, larynx, pharynx, trachea, bronchioles, ... bronchioles, bronchi, alveoli (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

Last Answer : (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

When 1500 mL air is in the lungs, it is called (a) residual volume (b) inspiratory reserve volume (c) vital capacity (d) tidal volume.

Description : When 1500 mL air is in the lungs, it is called (a) residual volume (b) inspiratory reserve volume (c) vital capacity (d) tidal volume.

Last Answer : (a) residual volume

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort? (a) One can breathe out air totally without oxygen. (b) One can breathe out air through Eustachian tube by closing both nose and mouth. (c) One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all. (d) The lungs can be made fully empty by forcefully breathing out all air from them

Description : Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort? (a) One can breathe out air totally without oxygen. (b) One can breathe out air ... ribs at all. (d) The lungs can be made fully empty by forcefully breathing out all air from them

Last Answer : (b) One can breathe out air through Eustachian tube by closing both nose and mouth