Digestive
Excretory
Respiratory
100

How long does the process of digestion take? 

What is 9 hours.

100

What is the largest organ in the body?

What is the skin.

100

What are the two main functions in the respiratory system?

What is inhalation & exhalation.

200

What does the Digestive System do?

What is breaks down food into to chemical compounds to be absorbed by cells or eliminated as waste.

200

Why eliminates solid, liquid, & gaseous waste products from the body?

What is the excretory system.

200

What filters out dust & dirt from the oxygen we breathe?

What is mucus membranes.

300

What parts of the body does food travel (using the correct terminology)?

What is the pharynx, esophagus, stomach, small intestine, & large intestine.

300

What is carried through the blood stream to the kidneys for excretion?

What is the urea.

300

What expands & contracts automatically?

What is the diaphragm.

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