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Greeley [361]
3 years ago
5

What remains constant during digestion?

Biology
1 answer:
grandymaker [24]3 years ago
7 0
Hello!!
In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.

hope this helps!!
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Nimfa-mama [501]

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Hope this helped

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