Heartburn is usually caused by the effects of gastric juice on the

A. stomach.
B. small intestine.
C. esophagus.
D. heart.


Answer: C

Anatomy & Physiology

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Which of the following is NOT one of the three stages in the response to stress?

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After ovulation, the ruptured follicle is transformed into a hormone-secreting structure called the ________.

A. corpus luteum B. antrum C. graafian follicle D. granulose cells

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Up to ________ of urea is filtered and recycled.

A. 100% B. 55% C. 80% D. 33%

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