The Chemoreceptors That Detect Decreases in the Blood Oxygen Level

question 78

Multiple Choice

The chemoreceptors that detect decreases in the blood oxygen level are located in the:

• A)aortic and carotid bodies
• B)medulla
• C)pons
• D)aortic and cerebral bodies

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Definitions:

Prepuce

A fold of skin that covers the head of the penis in males and the clitoris in females; commonly referred to as the foreskin in males.

Cremaster Muscles

Muscles that cover the testes, involved in the reflex action of moving the testicles closer to or further from the body to regulate temperature.

Dartos Muscles

Smooth muscle fibers found in the scrotum that regulate temperature by contracting and relaxing, affecting the testicles' proximity to the body.

Scrotal Skin

The thin, external skin that covers the scrotum, which is the pouch that contains and protects the testicles, regulating their temperature for proper sperm production.