Question

Q.3 What is the purpose of intake of Oxygen?
Ans​

Answer 1

Our body needs oxygen to obtain energy to fuel all our living processes. Carbon dioxide is a waste product of that process. The respiratory system, with its conduction and respiratory zones, brings air from the environment to the lungs and facilitates gas exchange both in the lungs and within the cells.

Answer 2

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The main purpose is that oxygen is the main factor of the cell to make energy which is utilised into our day-to-day lives and hence, it is very important to be inhaled.