| A | B |
|---|
| Skeletal System | Provides support for the body and protects body organs |
| Muscular System | Moves your bones and moves food and blood through the body by expanding and contracting |
| Excretory System | Removal of wastes from the body |
| Immune System | Helps the body fight disease |
| Circulatory System | Pumps blood through your body |
| Urinary System | Removes wastes from the blood and regulates body fluids |
| Endocrine System | Hormonal glands regulate growth and reproduction |
| Integumentary System | Skin, hair, and nails protect underlying tissue |
| Respiratory System | Absorbs oxygen and releases carbon dioxide |
| Lymphatic System | Returns leaked fluids to the blood vessels and helps get rid of germs |
| Nervous System | Sends and receives electrical messages from the brain to the rest of the body |
| Digestive System | Breaks down food into usable nutrients |
| Skeletal System | Marrow produces red blood cells |
| Immune System | Protection from microbes, viruses, harmful bacteria |
| Lymphatic System | Produces white blood cells and antibodies to fight disease causing organisms |
| Integumentary System | Largest organ- protects body, gets rid of dead cells |
| Transportation system | Arteries, Veins, Capillaries |
| Food processor | Digestive system |
| Receive and respond system | helps maintain homeostasis |
| Defense system | immune system |
