competitive exams stuff
Tuesday, February 18, 2020
98. What are circulatory and digestive systems ?
(i)
Circulatory
System
:
It
consists
of
blood,
blood
vessels,
heart,
etc.
It
provides
fluid
movement.
(ii)
Digestive
System
:
It
consists
of
digestive
organs
like
the
stomach,
food
pipe,
intestine,
etc
.
It
helps
in
energy
production.
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