The Body System

By: Catera Nelson

The Respiratory System

This body system helps breathe in oxygen and exhales carbon dioxide. The parts in this body system are lungs, sinus cavity, trachea, bronchial tubes, bronchioles, air sacs, and diaphragm. One system that this body system works with is the Circulatory System. The Circulatory System works with this body system by helping move oxygen around the body.

The Digestive System

This body system helps break down food so that nutrients can be carried by the blood to each body cell. The parts in this body system are teeth, tongue, epiglottis, esophagus, stomach. small intestine, large intestine, and colon. One system that this body system works with is the Circulatory System. The Circulatory System works with this body by breaking down food so that nutrients can be distributed to the body cells by the blood.

The Circulatory System

This body system helps deliver nutrients and oxygen to the body and takes away cell waste. The parts in this body system are heart, blood, veins, arteries, and capillaries. One system that this body system works with is the Respiratory System. The Respiratory System helps lungs breathe in oxygen so the blood can circulate it.

Sources

Scott Foresman's Science Book Pages 57-81

Chapter 3