Body Systems and Homeostasis

2. the breaking down of the bonds in food to convert them into organic molecules.
4. is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts.
6. The smallest type of blood vessel.
7. An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk.
8. the network of organs and tissues that help you breathe.
9. A blood vessel that carries blood from the heart to tissues and organs in the body.
12. the mechanical breakdown of food
13. groups of organs and tissues that work together to perform important functions in the body.
15. transmits signals between the brain and the rest of the body, including internal organs.
16. made up of the digestive tract and other organs that help the body break down and absorb food.
17. The system that contains the heart and the blood vessels and moves blood throughout the body.
18. the body's chemical messengers, sending signals into the bloodstream and tissues.
19. the ability to maintain internal stability in an organism in response to the environmental changes.
20. The muscular system is an organ system responsible for providing strength, keeping up the balance, maintaining posture, allowing movement.

1. your body's central framework.
3. The systems that excrete wastes from the body.
5. glands and organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body.
10. The tissues, glands, and organs involved in producing offspring (children).
11. a type of blood vessel that return deoxygenated blood from your organs back to your heart.
14. in walls of hollow visceral organs (such as the liver, pancreas, and intestines), except the heart.