A
Almasha
Nov 03, 2026
15. Which row correctly describe the functions of the diaphragm, cilia and mucous in human gaseous exchange system?
Difficulty: Medium
VerifiedA:
Diaphragm: Contracts to cause breathing out; Cilia: Trap bacteria from air; Mucous: Absorb CO₂ coming from alveoli
B:
Diaphragm: Contracts to cause breathing in; Cilia: Carry mucous to the throat; Mucous: Trap dust and bacteria from air
C:
Diaphragm: Relaxes to cause breathing in; Cilia: Filter dust from air; Mucous: help in sound production
D:
Diaphragm: Relaxes to cause breathing out; Cilia: Produce mucous; Mucous: Decrease acidity
ID: 07a11126dcd7b362b1c24f69