Across
- 2. tough bands of connective tissue that attach each end of a muscle to a bone
- 5. top layer of skin
- 9. system that filters waste and excess sodium from the blood
- 10. carry blood away from the heart
- 13. groups of organs create
- 14. system that produces and secretes hormones
- 15. groups of cells create
Down
- 1. bundles of fibers that can contract
- 3. system that breaks down food
- 4. largest organ in your body
- 6. system that defends the body against invaders
- 7. groups of tissues create
- 8. the throat
- 11. start of the digestive system
- 12. coordinates body movements