Doctors may use an ___ to see the skeletal system and treat problems.

Cartilage covers bones where they meet at the ___ helping to protect them.

The most powerful tendon in the body about which a legend has been told is also known as the ___.

When you quickly move your hand away from something you are touching, this reaction is called a ____.

Which is NOT part of the control center of the body?

The five ___ work with the brain to process information about our surroundings.

The ___ are messengers that transmit information from all of the body parts through the spinal cord to the brain.

The brain is divided into ___ hemispheres.

Which of these cannot be corrected with glasses or contact lenses?

The dark circular hole at the center of your eye that regulates the amount of light that can enter is the ___.

The thin, stretched membrane across the ear canal that vibrates when sound waves hit it is the ____.