Which is NOT a function of the skeletal system?

• give you support

• protect your organs

• make oxygen

• work with your muscles to help you move

How many bones does an adult have?

• 206

• 700

• 306

• 460

The place where two or more bones meet is called a ______. It allows our body to bend.

• joint

• smooth

• rib cage

• cardiac

Our rib cage protects our lungs and our ________.

• blood

• cells

• bones

• heart

Tags

NGSS.MS-LS1-3

Our ______ protects our brain.

• nerves

• organs

• skull

• tendons

Muscles are made of fibers that feel a little like a rubber band.

• True

• False

Which is NOT a type of muscle in our body?

• smooth

• skeletal

• cardiac

• joint

We have about _____ muscles in our body.

• 206

• 700

• 450

• 1,000

Our heart is our ______ muscle.

• voluntary

• cardiac

• tendon

• bone

Smooth muscles are involuntary, meaning we cannot control them.

• True

• False