Across
- 2. is a tissue that is made of liquids
- 5. arm straighten relaxes
- 7. bladder release chemicals into the small intestine
- 9. stretched or torn
- 12. involuntary
- 13. electrical signals
Down
- 1. internal organs
- 3. sponge like organs
- 4. voluntary
- 6. a four chambered organ
- 8. breaks down food
- 10. arm bends contracts
- 11. skull