Human Biology: Concepts and Current Issues - With Access (Custom)
Human Biology: Concepts and Current Issues - With Access (Custom)
15th Edition
ISBN: 9781323045237
Author: Johnson
Publisher: PEARSON
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Chapter 10, Problem 8TY

During a breathing cycle, as the diaphragm and intercostal muscles ________, the volume of the pleural cavity________ and air moves________ the lungs.

a. contract... decreases ... into

b. contract... increases ... into

c. relax ... increases ... out of

d. relax ... decreases ... into

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