Human Body Systems

Front

Circulatory System

Back

Carries oxygen and nutrients to body cells and removes wastes. Helps fight disease and infections.

Front

Circulatory System Organs/Structures

Back

heart, blood vessels, and blood.

Front

Respiratory System

Back

Takes oxygen into the body and removes carbon dioxide.

Front

Respiratory System Organs/Structures

Back

nose, trachea, bronchi, lungs, and alveoli.

Front

Skeletal System

Back

Supports and shapes the body, protects major organs, works with muscles to allow movement, and makes blood cells.

Front

Skeletal System Organs/Structures

Back

bones, joints, cartilage, ligaments, and bone marrow.

Front

Immune System

Back

A large network of organs, white blood cells, proteins (antibodies), and chemicals. Protects you from foreign invaders that cause infection, illness, and disease.

Front

Immune System Organs/Structures

Back

thymus, bone marrow, lymph nodes and vessels, spleen, skin, and tonsils.

Front

Muscular System

Back

Enables body to move, allows heart to pump to circulate blood, moves food through the digestive system.

Front

Muscular System Organs/Structures:

Back

muscles (skeletal, smooth & cardiac) & tendons.