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