Across
- 6. Circulate in the bloodstream and control the actions of certain cells or organs
- 7. The system that includes the organs that involve producing offspring
- 8. When the product of a reaction leads to a decrease in that reaction
- 9. Includes the brain, spinal cord, and a complex network of nerves
- 11. An organ that makes one or more substances, such as hormones, digestive juices, or sweat
- 12. The system that contains the heart and the blood vessels
- 14. The system that includes the nose, throat, and lungs
- 15. The system composed with specialized cells called muscle fibers
- 16. Composed of cells that have the special ability to shorten or contract in order to make the body move
- 18. The system that includes the organs that break down food
- 19. The ability of an organism to deal with the consequences of a disruption in internal and external environments
- 20. A state of balance among all the body systems needed for the body to survive and function correctly
Down
- 1. The system that includes the bone structure of the body
- 2. The glands and organs that make hormones and release them directly into the blood
- 3. Consists of organ which remove metabolic wastes and toxins from the body
- 4. A single muscle cell
- 5. The bigger blood vessel that carries blood from the heart to tissues and organs in the body
- 10. Occurs to increase the change or output
- 13. A biological occurrence where the output of a system amplifies the system or inhibits the system
- 17. The smaller blood vessel that carries blood from the heart to tissues and organs in the body