| A | B |
|---|
| Skeletal System | Made up of Bones, Tendons and Ligaments. |
| Muscular System | Made up of muscles that move bones. |
| Digestive System | The organ system that breaks down food so it can be absorbed into the bloodstream. |
| Excretory System | The organ system that removes cellular wastes from the body. |
| Respiratory System | The organ system that brings oxygen to body cells and removes waste gas. |
| Circulatory System | The organ system that consists of the heart and blood vessels and that moves blood through the body. |
| Nervous System | The set of organs that uses information from the senses to control other body systems. |
| Endocrine System | The set of ductless organs that secrete hormones directly into the bloodstream to regulate life processes. |
