Examlex
Which of the following is absent during REM sleep?
Capillary Walls
The thin, permeable barriers of capillary blood vessels that facilitate the exchange of water, oxygen, carbon dioxide, and other nutrients and wastes between blood and tissues.
Alveolar Walls
The thin tissue membranes in the lungs, forming alveoli that facilitate gas exchange between the air and blood.
Blood PH
The measure of acidity or alkalinity of the blood, vital for maintaining homeostasis, with a normal range of approximately 7.35 to 7.45.
Hyperventilates
The condition of breathing at an abnormally rapid rate, leading to excessive loss of carbon dioxide.
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