Body Systems : Muscular

Which of the following is true about the muscular system?

• Allows exchange of gases in the lungs
• Transports blood around the body
• Protects some organs, supports the body and gives it shape
• Works with the bones to help the body move

Name the two muscles in our arms

The thigh muscle help us …

• bend or straighten the arm
• raise or lower the arms
• move the leg
• pull the heel up

About how many muscles in our body make up the muscular system?

The calf muscle help us…

• bend or straighten the arm
• raise or lower the arms
• move the leg
• pull the heel up

The shoulder muscle help us…

• bend or straighten the arm
• raise or lower the arms
• move the leg
• pull the heel up

The triceps and biceps help us…

• bend or straighten the arm
• raise or lower the arms
• move the leg
• pull the heel up

Our bones can move when the muscles ...

• inflates
• contact and relax
• do nothing
• wiggle

Several ____ work together to form the Body System.

• Blood
• Bones
• Muscles
• Organs

All living things are made up of ___. A ___ is the smallest unit of life.