Body Systems and Homeostasis

4. a process in which the outputs of a system are circled back and used as inputs
5. carries blood from the heart to tissues and organs
8. An organ that makes one or more substances
11. sending signals into the bloodstream and tissues.
13. cells that have the special ability to shorten or contract in order to produce movement of the body parts
16. a complex network of glands and organs
18. breaks large food molecules down into their chemical building blocks
19. circulates blood and lymph through the body
20. an elongated contractile cell that forms the muscles of the body

1. relating to or affecting the muscles.
2. blood vessel that carries blood to the heart from tissues and organs in the body.
3. A state of balance among all the body systems
6. feedbacks thats positive
7. made up of the brain and spinal cord.
9. feedback thats negative
10. organs involved in producing offspring
12. consisting of bones and other connective tissues,
14. the network of organs and tissues that help you breathe
15. organs that facilitate the removal of nitrogenous wastes from the body.
17. take in food and liquids and break them down