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