The esophagus is the

a. muscular tube used for excretion of waste products.
b. pathway through which enzymes and hormones travel.
c. pathway that blood follows within the body from organ to organ.
d. muscular tube along which a food bolus travels from the mouth to the stomach.


D
The esophagus is the tube that carries a food bolus from the mouth to the stomach. Waste prod-ucts are excreted from the rectum, the kidneys, and the lungs. Blood, enzymes, and hormones do not follow such a specific pathway in the body.

Nursing

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Nursing