Q16 of 56 Page 170

During respiration, exchange of gases takes place in:

Oxygen and carbon dioxide molecules are exchanged to and from the bloodstream by alveoli of lungs. Alveoli are tiny air sacs found in the lungs that allow rapid exchange of gases.

More from this chapter

All 56 →
14

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

 15

Which is the correct sequence of air passage during inhalation?

 17

Which of the following statements is (are) correct?

(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast.


(ii) Fermentation takes place in aerobic bacteria


(iii) Fermentation takes place in aerobic bacteria


(iv) Fermentation is a form of anaerobic respiration

 18

Lack of oxygen in muscles often leads to cramps among cricketers. This result due to: