keigleyhannah30 keigleyhannah30

21-09-2017
Chemistry

contestada

Food moves down into the stomach by:

air pressure
muscle contraction
vacuum
gravity

YOU CAN CHOOSE MORE THAN ONE

Respuesta :

21-09-2017

Muscle contraction and gravity

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japhoneja japhoneja

21-09-2017

I think it would be just muscle contraction hoped this helped!

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