BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
bartleby

Videos

Textbook Question
Book Icon
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.

Blurred answer
Students have asked these similar questions
Which of the following is NOT a feature of a gas-exchange organ in animals? A. low surface area for gas exchange B. moist C. thin, delicate structure D. extensive blood flow
At which point in the mammalian circulatory system does the partial pressure of oxygen in the blood experience its greatest increase?   A. in the arteries of the heart   B. in the pulmonary veins   C. in the pulmonary capillaries   D. in the pulmonary arteries   E. in the aorta
Which of the following is a true statement? A. The concentration of oxygen in water is greater than that in air. B. In animals with gills, ventilation helps to reduce the thickness of the boundary layer. C. Countercurrent flow at the gas-exchange surface results in the diffusion gradient across surface. D. Mammalian lungs requires the diaphragm because the lungs are relatively stiff and filled with parabronchi.
Knowledge Booster
Background pattern image
Biology
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
  • Text book image
    Concepts of Biology
    Biology
    ISBN:9781938168116
    Author:Samantha Fowler, Rebecca Roush, James Wise
    Publisher:OpenStax College
Text book image
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license