Question

write about propulsion, grinding, retropulsion
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Answer 1

Answer:

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Explanation:

After the food is swallowed through the mouth, it enters into Oesophagus, and then the swallowing becomes an involuntary act.

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DIFFERENCES.

PROPULSION RETROPULSION

PROCESS

Peristaltic waves move food from one part to the other. Small amounts of chyme is pushed into duodenum and forcing most of the food back into the stomach.

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Answer 2

Answer:

Explanation:

01. Propulsion

The peristaltic waves move the food toward the Pylorus ( the next part of the food processing in the digestive system).

02. Grinding

The most vigorous peristaltic and mixing action occur close to the Pylorus.

03. Retropulsion

The Pyloric end of the stomach acts as a pump that delivers small amounts of chyme into the duodenum, simultaneously forcing most of its contained material backwards into the stomach.

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