Human Body System Vocabulary

The study of structure and function of an organism's body

Any living thing

A part of an organism that carries out a special task to help it survive (liver, kidneys, heart)

Cycles blood throughout the body to deliver oxygen to cells

• Lung

• Circulatory system

• Nervous system

• Digestive system

Allows organisms to breathe (take in oxygen)

• Heart

• Circulatory system

• Digestive system

• Respiratory system

Provides support and protection for the body (includes bones)

• Skeletal system

• Digestive system

• Muscular system

• Respiratory system

Allows the body to move using different types of muscles

Processes food and allows it to be changed to energy for the body

• Digestive system

• Muscular system

• Circulatory system

• Heart

Allows cell to cell communication; sends impulses along a network of nerves

• Muscular system

• Nervous system

• Circulatory system

• Digestive system

The gas needed to survive and help produce energy