Front

What covers bones where they meet at the joints?

Back

Cartilage helps to protect bones at the joints.

Front

What is the function of the ear drum?

Back

The ear drum vibrates to sound waves, allowing us to hear.

Front

How does the muscular system help you?

Back

It helps your bones move.

Front

What is a quick reaction to touching something hot called?

Back

Reflex.

Front

What part of the eye is responsible for controlling the amount of light that enters?

Back

The iris.

Front

What is the main function of cartilage in the body?

Back

To cushion and protect bones at joints.

Front

What are the two types of muscles in the muscular system?

Back

Voluntary muscles and involuntary muscles.

Front

What is the role of the cranium?

Back

To protect the brain.

Front

What is a voluntary muscle?

Back

A muscle that you can control, like your arm or leg.

Front

What is an involuntary muscle?

Back

A muscle that works without you thinking about it, like your heart.