Multiple Choice
Expired air has more than 100 times more _______ than air inspired from the environment.
A) oxygen
B) surfactant
C) hydrogen
D) carbon dioxide
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q13: Fill in the correct labels for the
Q14: Hemoglobin forms a weak bond with _
Q15: _ cells within the lining of the
Q16: Impulses from the medulla reach the diaphragm
Q17: The _ is more popularly known as
Q19: The wall of an alveolus consists of
Q20: _ is the exchange of gases between
Q21: During inspiration, the _.<br>A) diaphragm contracts and
Q22: The vital link between the alveoli and
Q23: The trachea divides into the right and