Muscles

Muscles always work in _____

• pairs

• groups of 3

• bones

• joints

What is an example of an involuntary muscle? 

• Heart

• Arms 

• Legs

• Shoulders

What are muscles like?

• rocks

• rubber bands

• water

What kind of muscle do you move on purpose?

• voluntary

• involuntary

• cardiac

• heart

What ties muscles to bones?

• cartilage

• tendons

• ligaments

• flexors

_________ muscles are controlled by you.

• Involuntary

• Voluntary

__________ muscles you do not control.

• Voluntary

• Involuntary

When muscles contract, they look

• shorter and tighter

• long and stretchy

• shorter and stretchy

• long and tighter

Tags

NGSS.MS-LS1-7

When muscles relax, they get

• shorter and tighter

• long and strechy

• shorter and strechy

• long and tighter

There are about _______ muscles in your body.