Across
- 5. is the breaking down of the bonds in food to convert them into organic molecules
- 8. any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart
- 11. any of the fine branching blood vessels that form a network between the arterioles and venules
- 14. he system of organs and parts which function in reproduction
- 15. any of the muscular-walled tubes forming part of the circulation system
- 16. public organization or government agency that is responsible for legally regulating aspects of human activity
- 17. your body's central framework
- 18. the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes
- 19. The systems that excrete wastes from the body
- 20. a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
Down
- 1. composed of specialized cells called muscle fibers
- 2. The organs that take in food and liquids and break them down into substances that the body can use for energy, growth, and tissue repair
- 3. 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
- 4. consist of a single muscle cell
- 6. groups of organs and tissues that work together to perform important jobs for the body
- 7. the network of organs and tissues that help you breathe
- 9. the mechanical breakdown of food
- 10. he network of nerve cells and fibers which transmits nerve impulses between parts of the body
- 12. composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts
- 13. the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.