Muscle Review

What is an example of an involuntary muscle:

• brain

• heart

• legs

• arms

About how many muscles are there in the human body?

• 206

• 300

• 780

• 650

Muscles are necessary for the body to:

• think

• protect organs

• move

• stand

Muscles help the body move by:

• sliding and rubbing

• expanding and contracting

• jumping and thinking

• eating and breathing

How much of the body's weight are muscles?

• a little bit

• a lot

• half

• all of it

A voluntary muscle can be found in:

• the leg

• the spinal column

• the heart

• the cranium