Human Body Systems 4th grade

To separate into parts to be absorbed

The flow of the blood around the body.

The elimination of waste from the body.

To take something in, gradually

To crush food into samaller and softer pieces wiht the teeth so that it can be swallowed.

Body waste discharged through the anus.

Material with particular physical characteristics.

The act of breathing, inhalation and exhalation of air.

The useful substances in food.

The process of breaking down food into simpler, useful substances.

A soft wet mass

To take through the mouth and esophagus to the stomach.

The process of providing or obtaining the food necessary for health and growht.