Respiratory System Flashcards
1
Q
respiratory system parts
A
nasal cavity mouth pharynx trachea (ciliated epithelial cells) bronchus lung bronchioles alveoli
2
Q
function of the respiratory system
A
takes on oxygen and releases carbon dioxide
3
Q
what is gas exchange?
A
gas exchange occurs at alveoli
- oxygen diffuses from alveoli to blood
- carbon dioxide diffuses from blood to alveoli
4
Q
inhale
A
diaphragm moves down (contracts) ribs move out volume increases pressure decreases air moves IN
5
Q
exhale
A
diaphragm moves up (relax) ribs move in volume decreases pressure increases air moves OUT
