Chemical and physical properties of gases are important factors in the evolution and physiology of cardiorespiratory systems. Which of the following statements about gases and cardiorespiratory systems is FALSE? When a frog sits in anoxic water, they can get enough oxygen by breathing air. Under these conditions, it makes sense to reduce the blood flow through the skin to reduce loss of oxygen from the blood to the water. When ancient fish began breathing air, they discovered that air was respiratory fluid that was richer in oxygen than was the water they breathed when submerged. When humans climb to high altitude, they breath more frequently to obtain sufficient oxygen and in doing so, get rid of too much carbon dioxide, causing an alkalosis (increase in blood pH). Because the ratio of oxygen to carbon dioxide is higher air than water, air breathing is linked to getting enough oxygen whereas water breathing is regulated to get rid of carbon dioxide.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chemical and physical properties of gases are important factors in the evolution and
physiology of cardiorespiratory systems. Which of the following statements about
gases and cardiorespiratory systems is FALSE?
When a frog sits in anoxic water, they can get enough oxygen by breathing air.
Under these conditions, it makes sense to reduce the blood flow through the
skin to reduce loss of oxygen from the blood to the water.
When ancient fish began breathing air, they discovered that air was respiratory
fluid that was richer in oxygen than was the water they breathed when
submerged.
When humans climb to high altitude, they breath more frequently to obtain
sufficient oxygen and in doing so, get rid of too much carbon dioxide, causing an
alkalosis (increase in blood pH).
Because the ratio of oxygen to carbon dioxide is higher air than water, air
breathing is linked to getting enough oxygen whereas water breathing is
regulated to get rid of carbon dioxide.
Transcribed Image Text:Chemical and physical properties of gases are important factors in the evolution and physiology of cardiorespiratory systems. Which of the following statements about gases and cardiorespiratory systems is FALSE? When a frog sits in anoxic water, they can get enough oxygen by breathing air. Under these conditions, it makes sense to reduce the blood flow through the skin to reduce loss of oxygen from the blood to the water. When ancient fish began breathing air, they discovered that air was respiratory fluid that was richer in oxygen than was the water they breathed when submerged. When humans climb to high altitude, they breath more frequently to obtain sufficient oxygen and in doing so, get rid of too much carbon dioxide, causing an alkalosis (increase in blood pH). Because the ratio of oxygen to carbon dioxide is higher air than water, air breathing is linked to getting enough oxygen whereas water breathing is regulated to get rid of carbon dioxide.
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