Parts of the Body
Body Functions
100
This is the strongest muscle in the body.

What is the heart?

100

The human body has over 600 of these to move the bones.

What are muscles?

200

These hook muscles to bones.

What are tendons?

200

Muscles work in these two ways.

What is by getting longer or getting shorter?

300

These kind of muscles move bones.

What are skeletal?

300

These leg muscles extend your leg above the knee.

What are the quadraceps?

400

These kinds of muscles move, even when we don't tell them to.

What are involuntary?

400

Smooth muscles move this through blood vessels.

What is blood?

500

This is the scientific name for your chest muscles.

What are pectorals?

500

These two muscles above your elbow are what move your arm.

What are the biceps and triceps?