Biology · Human Digestive System
In the human alimentary canal, swallowed food moves downward primarily because of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The initial force provided by the muscular tongue
- 2The gravitational pull acting on the food
- 3The flow of fluid material taken along with the food
- 4The contraction of muscles in the wall of the food pipe (peristalsis)✓
Correct answer
The contraction of muscles in the wall of the food pipe (peristalsis)
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