Across
- 2. Muscles found in the heart
- 4. releases hormones
- 5. mouth waters that are released during eating
- 6. largest organ in the body
- 8. state of steady internal, physical, and chemical conditions maintained by living systems
- 10. system based around blood flow throughout the body
- 11. A type of blood cell that is made in the bone marrow
- 14. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
- 16. main form of energy that is used for apt
- 17. filters harmful substances
- 19. absorbs nutrients in the food
- 20. internal framework of ligaments
Down
- 1. command center of the body
- 3. systems that function in a human body
- 7. system based around breathing
- 9. life supporting component in the air
- 12. system that transmits signals from the body to the brain
- 13. fights off diseases
- 15. Breaks down your food
- 18. the structural and functional unit of the kidney