The Muscular System Study Guide 3rd grade

Cardiac muscle (heart)

Involuntary

Smooth muscle (digestive)

Involuntary

You control the muscles that allow you to smile.

True

You don't control the muscle that pumps blood through your body.

True

Skeletal (power)

Voluntary

There are two categories into which all muscles fall. One we move on our own, the other moves without our help. Name Two!

Voluntary and Involuntary

Muscles work in pairs called.

flexors and extensors

What does blood carry to muscles?

food and oxygen

These hold bones together at the joint.

ligaments

These two things help to build our muscles.

play and eat healthy

List three things you do with muscles you control.

run, jump, play

Skeletal muscles are attached to the bones by.

tendons

List the three types of muscle and give an example of each.

Cardiac-The Heart Muscle pumps blood through the body. Smooth-Moves Muscles through out the Digestive System. Skeletal-Moves Muscles so you can Run, Jump and Play.

Muscles attach to bones by ligaments.

False it is a rope like tendons

There are about 500 muscles in the human body.

False there are about 630 muscles in our body

You control the muscles that digest your food.

False you can only control your skeletal muscles.

Blood carries food and oxygen to the muscles.

True