Across
- 2. an organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk
- 4. takes in oxygen into the body when we inhale, and release carbon dioxide on exhale
- 8. a tube forming a part of the blood circulation system of the body
- 9. system that breaks down food to give the body energy
- 11. occurs to increase the change or output
- 13. nervous system, endocrine system, circulatory system are examples of
- 16. composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts
- 17. system that removes waste products from the body
- 18. system that works with the skeletal system to allow the body to move
Down
- 1. system system that responds to stimuli in the environment and controls body functions
- 3. a normal biological response in which the effects of a reaction slow or stop that reaction
- 5. system responsible for creating offspring
- 6. made up of glands that make hormones
- 7. system that carries needed materials to the body cells
- 10. a state of balance among all the body systems needed for the body to survive and function correctly
- 12. The endocrine system controls body processes through the production, secretion, and regulation of hormones
- 14. carries blood away from the heart and to other parts of the body
- 15. a single cylindrical muscle cell is a?