EMBRYOLOGY
RESPIRATORY SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The normal oxygen content of inhaled air is approximately
|
|
0.04%
|
|
|
21%
|
|
|
79%
|
|
|
100%
|
Explanation:
Detailed explanation-1: -Inhaled air is a mixture of different gases present in the atmosphere. It contains around 78% nitrogen, 21% oxygen, 0.04% of carbon dioxide and other gases.
Detailed explanation-2: -Oxygen is essential for life. Normal air contains 21% oxygen, which we breathe into our lungs so it can enter our bloodstream to help with the proper functioning of our tissues and organs. We also breathe as a way to expel carbon dioxide gas, which is a type of waste our bodies produce.
Detailed explanation-3: -The percentage of oxygen in the inhaled air is about 21%, which is the same as the percentage of oxygen in the atmosphere. The oxygen content of the air we expire is about 16%.
There is 1 question to complete.