NEET PG DENTAL EXAM

EMBRYOLOGY

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Our lungs ____
A
breathe in oxygen and breathe out carbon dioxide.
B
breathe in carbo.
C
breathe in helium and breathe out oxygen.
D
breathe in oxygen and breathe out helium.
Explanation: 

Detailed explanation-1: -When you inhale (breathe in), air enters your lungs, and oxygen from that air moves to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathed out). This process, called gas exchange, is essential to life.

Detailed explanation-2: -The composition of gases exhaled by humans during breathing by volume is as follows: Carbon dioxide: 4.0-5.3% Oxygen: 13.6-16% Water vapor: 5-6.3%

There is 1 question to complete.