The Spiral Valve in the Intestine of a Shark Serves

question 37

Multiple Choice

The spiral valve in the intestine of a shark serves to

• A)release strong acids to aid digestion.
• B)function as a liver in producing bile salts.
• C)entrap food molecules in a mucus strand.
• D)slow passage of food and increase absorptive surface area.
• E)propel food through the tract at a faster rate.

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Definitions:

Circumcision

The surgical removal of the foreskin from the male penis, often for religious, cultural, or medical reasons.

Cowper's Glands

Small glands located on each side of the urethra in males that produce a fluid to lubricate and neutralize the acidity of the urethra before ejaculation.

Secretions

Substances produced and released by cells or glands in the body, often serving a specific function, including lubrication, digestion, or hormonal activity.

Testosterone

A steroid hormone primarily found in males, responsible for the development of male sexual characteristics.