Muscular System 1

There are _ muscles in your body.

• more than one thousand

• more than six hundred

• about five hundred

• about twelve hundred

_ muscle only works when you want it to.

• Skeletal

• Smooth

• Cardiac

• Leg

Smooth muscle is found _.

• throughout the digestive system

• around the eyes

• around the bladder

• all of these

Three kinds of muscles in the body are _, _, and _.

• cardiac

• skeletal

• smooth

• loose

What kind of muscle is your heart made of?

Only athletes need to be concerned about the health of their muscles.

• true

• false

If you want to play on a sports team, you will need to stock up on sports drinks and energy bars.

• true

• false

The cardiac muscle is another name for the _.

• stomach

• heart

• brain

• lungs

Tags

NGSS.MS-LS1-3

This article is mainly about _.

• aerobic exercises

• keeping muscles strong and healthy

• the heart

• arm and leg muscles

According to this article, backpacks can sometimes be a problem because _.

• some people put too much in their backpack

• backpacks are too small

• they don't fit in a locker

• backpacks are a bad way to carry books