The Muscular System

Two Muscles called_______ and ________ move your lower arm in the up and down direction.

• Biceps and triceps

• Biceps contract

• triceps contract

• voluntary muscles

• involuntary muscles

Your heart is made up of a special kind of tough called_______.

Voluntary muscles are in your control, involuntary muscles are not.

• True

• False

Muscles can only pull at the bones. They cannot push.

• True

• False

Muscles are made of tough ________ tissues.

You can raise or lower your arms, kick with your leg, or write with your hands whenever you want to. The muscles which control these movement are in your controls. They are called________________.

• voluntary muscles

• involuntary muscles

• cardiac muscles

• muscles

How many muscles do we have in our bodies?

Does every move you make needs muscles?

• Yes

• No

Your bones cannot move by themselves. They need something to move them. What is it?

Can muscles move without bones?

• Yes

• No