Across
- 6. the breakdown of food inside of the body through digestion
- 9. cells with the ablity to shorten or contract
- 15. carry blood throughout the body and to the heart
- 16. blood vessels that deliver oxygen filled blood to the tissues
- 18. tiny vessles that transfer blood
- 19. used for gas exchange
- 20. internal framework of the body
Down
- 1. boddy's chemical messages
- 2. breaks down food and turns it into energy
- 3. major controlling system of the body
- 4. contains hormones, fluids and phermones to help in reproduction
- 5. the body trying to maintain homeostaisis
- 7. sturdy internal and external conditions
- 8. includes all systems within the human body
- 10. made up of the blood vessels that move blood around the body
- 11. network of glands and organs
- 12. the breakdown of food with teeth
- 13. includes skeletol smooth and cardiac muscle
- 14. produce low power contractions over short period of time
- 17. removes excess materials not needed in the body