1 SEM ACC W/RAVEN CARDED
1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 47, Problem 2A

Marine mammals are able to hold their breath for extended periods underwater because

a. unlike humans, they don’t hypoventilate.

b. partial pressure of carbon dioxide does not increase underwater.

c. myoglobin in muscle tissue provides an oxygen reserve.

d. the brains of marine mammals do not have receptors that respond to impulses initiated in the aortic and carotid bodies.

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