The rectum is a muscular tube about 13 cm (5 in.) long that is at the end of the large intestine (colon). The rectum connects the colon to the anus, which is the opening where stool exits the body. The internal and external anal sphincters are rings of muscle at the opening of the anus.
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Answer:
The rectum is a muscular tube about 13 cm (5 in.) long that is at the end of the large intestine (colon). The rectum connects the colon to the anus, which is the opening where stool exits the body. The internal and external anal sphincters are rings of muscle at the opening of the anus.
Explanation:
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