| A | B |
| circulatory system | body system that moves the blood around the body |
| heart | the pump that moves the blood |
| arteries | tubes that carry the blood away from the heart |
| veins | tubes that carry the blood back to the heart |
| capillaries | very small tubes that connect the arteries to the veins |
| muscular system | made up of muscles |
| biceps | muscle that covers the front of the humerus |
| triceps | muscle that covers the back of the humerus |
| abdominal muscle | muscle that goes from the ribs to the pelvis |
| mouth | the organ that takes solid and liquid food in |
| esophogus | tube that goes from the mouth to the stomach |
| liver | makes chemicals that break food down |
| large intestine | organ that stores food the body cannot use |
| pelvis | the hip bone |
| humerus | the upper arm bone |
| femur | the upper leg bone |
| spine | the backbone |
| ribs | the bone that covers the organs in the chest |
| skull | the bone that covers the organs in the chest |