Human Body Review

_____ are the building blocks of all life, and most are too small to be seen without a microscope.

• cells

• tissue

• organs

• skull

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

• cast

• x-ray

• bones

• arm

Cartilage covers bones where they meet at the ____ , helping to protect them

• ligament

• knee

• joint

• heart

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

• heart

• brain

• achilles heel

• lungs

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

• nervous system

• joint

• reflex

• hand

Which is NOT part of the control center of the body: brain, spinal cord, or eyeball?

• brain

• spinal cord

• eyeball

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

• senses

• receptors

• nerves

• fingers

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

• senses

• reflexes

• nerves

• ears

The brain is divided into ____ hemispheres.

• 1

• 2

• 3

• 4

Which of these cannot be corrected with glasses or contact lenses: farsightedness, nearsightedness, or deafness?

• farsightedness

• nearsightedness

• deafness