Across
- 2. tissue that lines the interior and exterior body surface
- 4. internal conditions of the human body
- 7. the process in which stimulus produces a response
- 9. is equal to 1000 calories
- 10. system that breaks down food
- 13. groups of organs that perform closely related function
- 14. system that eliminates waste products
- 15. the most important nutrient
- 16. tissue that provides supports to the body and connects in parts
- 18. supply raw materials for growth
- 20. a group of cells with an specific function
- 21. system that produce voluntary movements
- 23. protects the body from diseases
- 24. helps the body to absorb fat soluble vitamins
- 25. the basic unit of life
Down
- 1. system that reproduce gametes
- 3. tissue that makes voluntary and involuntary movement
- 5. systems that transports oxygen and nutrients
- 6. system that guards against infection and injury
- 8. are the major source of energy in the body
- 11. system that growths and develop
- 12. brings in oxygen needed for cellular respiration
- 17. system recognize and coordinates the body
- 19. a group of tissues that works together to perform a single cell
- 22. system that support the body