There are advantages and disadvantages to using water or air as the respiratory medium from which an animal takes in oxygen. Which statement below is false? a. Aquatic animals do not have to worry about keeping their respiratory surfaces moist. b. Air has a higher concentration of oxygen than water and varies mostly with altitude only. c. Air has a constant concentration of 21 percent and water has a constant concentration of 6 percent. d. For terrestrial animals, air is easier to move over respiratory surfaces because it is less dense than water.
There are advantages and disadvantages to using water or air as the respiratory medium from which an animal takes in oxygen. Which statement below is false? a. Aquatic animals do not have to worry about keeping their respiratory surfaces moist. b. Air has a higher concentration of oxygen than water and varies mostly with altitude only. c. Air has a constant concentration of 21 percent and water has a constant concentration of 6 percent. d. For terrestrial animals, air is easier to move over respiratory surfaces because it is less dense than water.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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There are advantages and disadvantages to using water
or air as the respiratory medium from which an animal takes
in oxygen. Which statement below is false?
a. Aquatic animals do not have to worry about keeping
their respiratory surfaces moist.
b. Air has a higher concentration of oxygen than water
and varies mostly with altitude only.
c. Air has a constant concentration of 21 percent and
water has a constant concentration of 6 percent.
d. For terrestrial animals, air is easier to move over
respiratory surfaces because it is less dense than water.
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