Body Systems
Across
- 3. is where food is chewed
- 4. the digestive juice in your stomach
- 7. otherwise known as CNS
- 9. the main organ in your respiratory system
Down
- 1. the system for your bones
- 2. a "funny" bone (scientifically)
- 4. the muscle at the top half of your arm
- 5. the organ / muscle in your head
- 6. the biggest bone in your body
- 8. where acid breaks down your food