試題詳解

36. Arrange the following steps of mammalian inspiration (inhalation) in the proper sequence.

a.Diaphragm contracts and moves down

b. Rib cage moves up and out

c. Thoracic cavity expands and thoracic pressure decreases

d. Air flows into the lungs
(A) b, a, d, c
(B) a, b, c, d
(C) b, d, a, c
(D) d, c, a, b