Across
- 4. cycles oxygen and carbon dioxide in body
- 5. system group of organs working together to complete a function
- 6. transportation system
- 9. controls the body's activities
- 11. controls waste and salt balance
- 12. regulates body functions/releases hormones
- 14. group of thousands of cells
- 15. provides protection and defense from disease
- 17. movement of organs
- 19. a reaction to a stimulus
- 20. provides response to foreign invaders
Down
- 1. particles from food taken in by the body to energize and support body functions
- 2. group of tissue that performs a function
- 3. an outside for impacting ones body, invokes a response
- 7. taking in of nutrients to energize the body
- 8. balance of body functions
- 10. provides structure and support
- 13. breaks down food and absorbs nutrients
- 16. a living thing made up of cells, tissues, and organs
- 18. basic unit of life