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The Digestive System

The digestive system
helps to convert food
into nutrients and
energy for the body.
Some of the organs
included in the
digestive system are
the stomach, small
intestine, large
intestine, liver, and
pancreas.

The Nervous System

The nervous system
helps the body to
communicate and
allows the brain to
control various
functions of the body.
It includes the brain,
spinal cord, and a
large network of
nerves.

The Respiratory
System

The respiratory
system brings
oxygen into the
body through the
lungs and windpipe.
It also removes
carbon dioxide from
the body.