The Human Body Systems

A cell that carries information through the nervous system is called a

Another name for the circulatory system is the _____ system.

The respiratory system moves ____ into the body.

The major organ of the cardiac system is the 

The levels of organization in the human body are___(in proper order)

Another name for the integumentary system is

The major organ of the respiratory system is the 

Muscles found only in the heart are called ____ muscles.

Almost all absorption of nutrients takes place in the 

The chemical product of an endocrine gland is called a

The smallest unit of organization in the human body is

The digestive system contains the

A place in the body where two bones meet is called

The nervous system

The function of the skeletal system is to