Biology 4.5 Flashcards
1
Q
How does the movement of ribs and diaphragm cause inhalation and exhalation?
A
Ribs and diaphragm open to increase lung capacity. They decrease on exhalation.
2
Q
Path of air into body
A
Oesophagus - trachea - bronchus - bronchial - alveoli
3
Q
Differences of air in compositions when breathing in and out.
A
Breathe in oxygen and carbon dioxide out.