respiratory system Flashcards
1
Q
importance of the respiratory system
A
breathing, gas exchange, providing O2, removing CO2
2
Q
inhalation
A
drawing oxygen into the lungs, intercostal muscles contract, lungs expand, diaphragm flattens
3
Q
exhalation
A
push carbon dioxide out, intercostal muscles relax, lungs decrease, diaphragm moves up
