when the stomach wall contracts the food does not come back into the oesophagi. give reason
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Answered by
1
Explanation:
The contraction is not a continuous process rather it is rhythmic i.e contraction and relaxation takes place simultaneously .
It helps in the easy movement of food through alimentary canal ....
There is no chance of food to get back into the oesophagus again
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Answered by
0
Explanation:
The contraction and relaxation of the alimentary canal is known as peristalsis movement .
The contraction and relaxation in alimentary canal is known ason is not a continuous process rather it is rhythmic i.e contraction and relaxation takes place simultaneously .
It helps in the easy movement of food through alimentary canal ....
There is no chance of food to get back into the oesophagus again
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