NEET PG DENTAL EXAM

Detailed explanation-1: -The statement is wrong. The air we inhale has more of oxygen and less of carbon dioxide. The air we exhale has higher concentration of carbon dioxide and lesser concentration of oxygen. Was this answer helpful?

Detailed explanation-2: -The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide, while the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide. This is because our cells use oxygen from the inhaled air to release energy and give out carbon dioxide as a byproduct.

Detailed explanation-3: -The correct option is A True. Respiration in animals: The percentage of CO2 in inhaled air is 0.04% whereas in exhaled air it is 4.4%. Therefore, we can say that exhaled air has more percentage of carbon dioxide than in the inhaled air.

Detailed explanation-4: -Everyday functions of the body like digesting your food, moving your muscles or even just thinking, need oxygen. When these processes happen, a gas called carbon dioxide is produced as a waste product. The job of your lungs is to provide your body with oxygen and to get rid of the waste gas, carbon dioxide.