Millionaire Mode

Respiratory System and Gas Exchange

Question 1 of 15

Which of the following is the primary function of the respiratory system?

  1. To filter and purify the air we breathe
  2. To produce energy from food
  3. To regulate body temperature
  4. To exchange oxygen and carbon dioxide with the environment

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000