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Beanieman Beanieman
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7 years ago
The respiratory pump facilitates the return of blood to the heart by
A) squeezing blood from the rhythmic contraction of the diaphragm muscle.
B) raising the pressure gradient between abdominal and thoracic veins during expiration.
C) decreasing the pressure gradient between abdominal and thoracic veins during inspiration.
D) decreasing the pressure gradient between abdominal and thoracic veins during expiration.
E) raising the pressure gradient between abdominal and thoracic veins during inspiration.
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
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ch1990ch1990
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7 years ago
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Beanieman Author
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7 years ago
Really appreciate your kind help
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