The Digestive and Excretory Systems - Health-Chp 2- Les 5

The most important job of the digestive system is to

• get food and oxygen to your cells

• change food into a form that cells can use

• get rid of wastes

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When you swallow food, it enters a tube called the

• esophagus

• intestine

• pancreas

Digestive juices that help break down food are found in your

• lungs

• heart and pancreas

• stomach and small intestine

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A good way to take care of your digestive system is to eat food with a lot of

• fiber

• fat

• water

A substance produced by your liver to aid digestion is

• bile

• villi

• saliva

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Undigested food passes into the

• bloodstream

• capillaries

• large intestine

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digestion first begins in the

• mouth

• stomach

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Villi are tiny finger-like projections that line the

• small intestine

• stomach

Tiny filters in the kidneys help to remove this from the blood:

• wastes

• oxygen

Organs of the excretory system are the kidneys and

• liver

• skin