NEET PG DENTAL EXAM

EMBRYOLOGY

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When you breathe “in", you take in
A
carbon dioxide
B
oxygen
C
nitrogen
D
None of the above
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.

There is 1 question to complete.