The first part of a test meal reaches the cecum in approximately 4 hours, and all undigested portions enter the colon in 8 to 9 hours.

GASTROINTESTINAL PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	TRUE.
B	False.
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -The cecum connects the small intestine to the colon. The colon includes the ascending colon, transverse colon, descending colon, and sigmoid colon. The sigmoid colon connects to the rectum and anal canal, which leads to the outside of the body.

Detailed explanation-2: -duodenum, the first part of the small intestine, which receives partially digested food from the stomach and begins the absorption of nutrients. The duodenum is the shortest segment of the intestine and is about 23 to 28 cm (9 to 11 inches) long.

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