| A | B |
| Cardiovascular System | The body system that transports nutrients, gases, hormones, and cellular waste products throughout the body. |
| Nervous System | The body system that carries messages to and from the brain and spinal cord and all other parts of the body. |
| Skeletal System | The body system that serves as a support framework, protects vital organs, works with muscles to produce movement. |
| Muscular System | The body system that consists of muscles that provide motion and maintain posture. |
| Endocrine System | The body system that consists of glands that produce hormones. |
| Digestive System | The body system that breaks down food into nutrients that can be used by the body. |
| Integumentary System | The body system that covers and protects the body adn consists of skin, glands associated with the skin, hair, and nails. |
| Immune System | The body system that removes harmful organisms from the blood and combats pathogens. |
| Respiratory System | The body system that provides body cells with oxygen and removes carbon dioxide that cells produce as waste. |
| Urinary System | The body system that removes liquid wastes from the body and maintains the body's water balance. |