The document discusses the main functions and organs of the five major human body systems: skeletal, muscular, digestive, circulatory, and respiratory. The skeletal system gives the body its shape using bones. The muscular system helps the body move using voluntary muscles like the fingers and involuntary muscles like the heart. The digestive system breaks down food for energy using the mouth. The circulatory system moves oxygen and food throughout the body using veins. Finally, the respiratory system takes in oxygen and removes carbon dioxide using the lungs, nose, and diaphragm.

1. HUMAN BODY SYSTEM
By Mr. William
Johnson
Ms. Strong & Ms.
Tabesh
Gwinnett County School System

2. Skeletal
Function Bones
 Gives the body the
shape

3. Muscular
Function
Helps the body move
Voluntary Muscles
(Fingers)
Involuntary Muscles
(Heart)
Heart
The Heart
is a type
of Muscle
fingers

4. Digestive
Function
 Breaks down food
to make energy for
the body (eating).
Mouth

5. Circulatory
Function
 Moves (Oxygen = O2) and
Food throughout the
body
Veins

6. Respiratory
Function
 Take in oxygen
(air/breathe) and
take out carbon
dioxide and some
water out of the
body
Nose
Lungs
Diaphragm / Stomach

7. Summary
SYSTEM FUNCTION ORGANS
Skeletal Gives the body the shape
Bones
Muscular Helps the body move Heart
Digestive Eating Mouth
Circulatory Moves (Oxygen = O2)
through the body
Veins
Respiratory (air/breathe) Lungs

8. The End