| A | B |
|---|
| Muscular system | helps the bones in the body move |
| Nervous system | senses things and sends messages to your body |
| circulatory system | moves blood through your body |
| Respiratory system | takes air into the lungs and exhales it |
| digestive system | breaks food down into tiny pieces |
| skeletal system | gives support and protection to the body |
| cranium | skull |
| clavicle | collar bone |
| pelvis | hip bone |
| femur | upper leg bone |
| patella | knee |
| tibia and fibula | lower leg bones |
| radius and ulna | lower arm bones |
| sternum | breast bone |
| phalanges | finger and toe bones |
| scapula | shoulder blade |
| joint | places where bones come together |
| biceps | pulls forearm up |
| triceps | pulls forearm down |
| voluntary muscles | muscles we have control over |
| involuntary muscles | muscles that work on their own |
