Duplicate of The Human Body Systems

Almost all absorption of nutrients takes place in the 

The digestive system contains the

The nervous system

The smallest unit of organization in the human body is

The major organ of the cardiac system is the 

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

The function of the skeletal system is to

A place in the body where two bones meet is called

Another name for the integumentary system is

The respiratory system moves ____ into the body.

Muscles found only in the heart are called ____ muscles.

The chemical product of an endocrine gland is called a

Another name for the circulatory system is the _____ system.

The major organ of the respiratory system is the 

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