Skeleton and Muscles

Muscles allow us to move.

• true

• false

Muscles move bones by pushing and pulling them.

• true

• false

All muscles in our body are joined to bones.

• true

• false

Biceps and triceps are skeletal muscles.

• true

• false

Look at the picture. Are the BICEPS contracting or relaxing?

• contracting

• relaxing

Look at the picture. Are the triceps contracting or relaxing?

• contracting

• relaxing

When the person straightens his arm, will the biceps contract or relax?

• contract

• relax

A diaphragm in our lungs is a ....

• skeletal muscle

• non-skeletal muscle

The quads and hamstrings are ... muscles

• skeletal

• non-skeletal

What the hamstrings do when we bend our legs?

• contract

• relax