Question

_______ is a process that takes place in living beings while breathing air in and out.

Answer 1

Respiration:

1. Respiration is a natural mechanism of a living organism.
2. It is a process by which an organism inhales oxygen (inspiration) and exhales carbon dioxide (expiration).
3. Respiration is the main source of oxygen for our body.
4. The different organism has different methods of respiration.
5. For example, fishes respire through gills, humans through lungs, and plants through pores called stomata.
6. Respiration can occur at any time of the day.
7. Many organisms respire in absence of oxygen known as aerobic respiration like in some microorganisms.
8. The organisms which respire in presence of oxygen are known as aerobic respiration like in humans.

Final answer: Respiration is a process that takes place in living beings while breathing air in and out.