Question

Which of the following correctly illustrates the passage of oxygen in the respiratory system?
a) Nose → Lungs → Wind pipe → Blood
b) Nose → Blood → Wind pipe → Lungs
c) Nose →Blood →Lungs →Wind pipe
d) Nose →Wind pipe → Lungs → Blood

Answer 1

Answer:

option D

Explanation:

Nose --Wind Pipe--Lungs--Blood