Question

explain the physical structure of stomach and small intestine

WILL MARK AS BRAINIEST​

Answer 1

Explanation:

The stomach receives food from the esophagus. ... Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion. The pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine

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Answer 2

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Stomach

Stomach is of about 12 inch long. It is J shaped organ.

Size of stomach depends on the person.

Small Intestine

Small intestine is very long, about 20 feet means of about 1 and half storey building.

Small intestine is divided into three parts. Further inner lining of wall have villi

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