breathing 1.2.6 Flashcards
1
Q
what is another name for breathing in
A
inspiration
2
Q
what is another name for breathing out
A
expiration
3
Q
what happens when the diaphragm contracts
A
it flattens and pulls down letting more air in
4
Q
when breathing in what happens
A
volume increases and air pressure decreases
5
Q
what happens when breathing out
A
volume decreases and air pressure increases
6
Q
what percent of inhaled and exhaled air is nitrogen
A
79%
7
Q
what percent of inhaled air is oxygen
A
21%
8
Q
what percent of inhaled air is carbon dioxide
A
0.04%
9
Q
what percent of exhaled air is oxygen
A
16%
10
Q
what percent of exhaled air is carbon dioxide
A
4%
