The exchange of gases between inhaled air and blood is referred to as ______.

Cellular respiration

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External respiration

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Internal respiration

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Circulatory respiration

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Solution

The correct option is B
External respiration

External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air.

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The exchange of gases between inhaled air and blood is referred as ______ respiration

(a) Give the main points of difference between respiration in plants and respiration in animals.
(b) Describe the exchange of gases which takes place in the leaves of a plant (a) during daytime, and (b) at night.
(c) Which contains more carbon dixoide : exhaled air or inhaled air ? Why ?

The exchange of gases and nutrients between blood and tissues is a major function of?

The exchange of gases and nutrients between blood and tissues is a majorfunction of capillaries.

Q. Which of the following statement(s) is (are) true about respiration?

(i) During inhalation, ribs move inward and the diaphragm is raised.
(ii) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air.
(iii) Haemoglobin has a greater affinity for carbon dioxide than oxygen.
(iv) Alveoli increase surface area for exchange of gases.

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Respiration

Standard XII Biology

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The exchange of gases between inhaled air and blood is referred to as ______.

The correct option is B External respiration External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air.

The correct option is B
External respiration

External respiration occurs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air.