Question

ic
envi-
wastes
wastes.
decay
second
ut harm
clean.
Reduc
and th
Avoid
Redu
Reu
Do
De
an
Со
stic be-
e. Plastic
water bodies. In the soil, [Deve
e soil. They pape
he
tion​

Answer 1

Answer:

Peristalsis mainly causes movement of food inside the alimentary canal. The wall of alimentary canal contains muscle layers. ... Peristalsis is an involuntary movements of muscles in digestive tract that occur in the form of wavelike contractions and allow food to move in alimentary canal.