The _______________ is the top muscle on your arm.

• biceps

• triceps

• muscle

The ____________ is the muscle located under your upper arm.

• biceps

• triceps

• muscles

To become smaller or shorter in size, your bicep muscle ________.

• contracts

• extends

• makes it smaller

The tissue that can contract, resulting in movement is called a __________.

• tissue

• ligament

• muscles

A group of cells that look and act the same is called _____________.

• muscle

• tissue

• joint

Tags

NGSS.MS-LS1-3

You use your ______________ to smile, pick up items, move, and much more.

• legs

• tendons

• muscles

When you make a muscle, your bicep contract which makes it _________.

• shorter

• longer

When you make a muscle, your triceps expands which makes it _____________.

• shorter

• longer

The largest bone in your body is called ______________.

• bones

• ulna

• femur

How many bones do you have in your body?

• 100

• 300

• 206