Across
- 4. Consist of a single muscle cell to help to control the physical forces within the body
- 7. Occurs to increase the change or output
- 10. Blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart
- 12. How the human body self-regulates to maintain a stable internal environment despite changes in the external environment
- 13. Biological mechanisms whereby homeostasis is maintained
- 14. Organs that take in food and liquids and break them down into substances
- 15. System that contains the heart and the blood vessels and moves blood throughout the body
- 18. Includes the brain, spinal cord, and a complex network of nerves
- 19. Your body's support structure
- 20. The systems that excrete wastes from the body
Down
- 1. Regulate all the cells in your body
- 2. The organs that are involved in breathing
- 3. A normal biological response in which the effects of a reaction slow or stop that reaction
- 5. A self-regulating process by which a living organism can maintain internal stability while adjusting to changing external conditions
- 6. an organ system consisting of skeletal, smooth, and cardiac muscle
- 8. of cells that have the special ability to shorten or contract in order to produce movement of the body parts
- 9. The tissues, glands, and organs involved in producing offspring
- 11. Delicate blood vessels that exist throughout your body
- 16. Blood vessels that distribute oxygen-rich blood to your entire body
- 17. tissues in your body that create and release substances