What causes cataracts? 

Which of the following nerves are NOT classified as spinal nerves?

All spinal nerves contain only sensory neurons.

Which of the following structures is responsible for allowing communication to occur between the right and left hemispheres?  

Lateralization refers to the fact that different hemispheres of the brain specialize to have different functions.

Beta cells are responsible for producing insulin.

What gland releases growth hormone?

Glaucoma occurs because …

A gyrus is a deep groove found within brain tissue.

Which of the following cranial nerves is responsible for sending signals to many of your internal organs as part of the autonomic system?