Lesson 2: Structure and Support

Front

Made of strong tissue that can contract.

Back

muscle

Front

What happens when a muscle CONTRACTS?

Back

The muscle shortens.

Front

This is the location where two bones meet.

Back

joints

Front

Bones are connected to other bones by tissues called ___________.

Back

ligaments

Front

This type of joint is found in the hips and shoulders.

Back

Ball and Socket

Front

This type of joint allows bones to move back and forth and is found in fingers and elbows.

Back

Hinge Joint

Front

This type of joint allows bones to rotate. It is found in the neck and lower arm.

Back

Pivot Joint

Front

The three types of muscle cells in the muscular system are...

Back

cardiac, skeletal, and smooth

Front

Which of the following functions is VOLUNTARY?

• blinking
• breathing
• digesting food
• pointing

Back

pointing

Front

This type of muscle is located in organs, such as your stomach, and is an involuntary muscle.

Back

Smooth Muscle