Question

question 27
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which structure helps separate the feces from gas to prevent the
simultaneous passage of feces and gas?
internal anal sphincter
external anal sphincter
teniae coli
rectal valves

Explanation:

The internal anal sphincter is a smooth muscle that helps in the separation of feces from gas. It is an involuntary muscle. The external anal sphincter is a skeletal muscle and is voluntary. The tenia coli are longitudinal muscle bands of the colon. Rectal valves (also known as Houston's valves) help support fecal matter in the rectum.

Answer:

Internal anal sphincter