3-The muscles

The muscles are controlled by the nervous system which makes them contract and relax. 

There are three types of muscles.

1-Skeletal muscles are joined to the bones by tendons. Skeletal muscles are voluntary muscles,we can move them at will.

2-Smooth muscles are found in organs such as the intestines or stomach.

They are involuntary muscles  we cannot control them.

3-Cardiac muscle makes up our heart. They are involuntary muscles  we cannot control them.

6- What do you know about the human body muscles? (Read  above)

7- Draw a human body and label the muscles.