The Isles of Langerhans:

A subdivision of the brain that consist of medulla, pons, and mid-brain, located between the spinal cord and the cerebrum is called the:

Approximate number of muscles in the human body is:

The most important muscle to aid in breathing is:

The main upper chest muscle is:

The muscle walls of the heart are called the:

The collar bone, a slender bone, one on each side of the body, connecting the breastbone to each shoulder is called the:

A bone that is partially bent and partially broken is referred to as:

The largest gland in the human body is the:

The small sac attached to the underside of the liver and stores bile is called the:

Insulin is secreted directly into the bloodstream by what organ?

A substance provided by the stomach, necessary for the digestion of food, is called:

The number of bones in the body is:

The longest bone in the body is the:

Neurons that carry impulses toward the brain or spinal cord are:

The function of the veins is to:

The smallest blood vessel is the:

The outer most cellular layer of skin is called:

A condition in which the heart is unable to pump adequate amounts of blood to the tissues and organs is:

Thick walled vessels that carry blood away from the heart are called:

The hardest tissue of the body is:

The number of chambers in the human heart is

The upper chamber of the heart is called:

The longest part of the digestive system is called the: