Respiration Flashcards
(3 cards)
0
Q
What happens when you breathe in
A
Intercostal muscles and diaphragm contract
Thorax volume increases
This decreases the pressure, drawing air in
1
Q
What happens when you breathe out
A
Intercostal muscles and diaphragm relax
Thorax volume decreases
Air is forced out
2
Q
What is respiration
A
The process of releasing energy from glucose which happens constantly in every living cell