Across
- 2. Collects information and responds by sending electrical signals.
- 3. Breaks down food into nutrients and get's rid of waste the body does not need.
- 7. It supports the body and protects important organs. Includes bones, ligaments and cartilage.
- 9. Allows movement of the body parts. Helps you move.
- 10. Helps body get rid of invading bacteria and viruses. Keeps you healthy.
- 11. Helps you breathe. Gathers oxygen from the environment and gets rid of carbon dioxide from the body
- 12. Cell, tissue, organ, organ ________, organism.
Down
- 1. Must be maintained to keep the body healthy.
- 4. Gets rid of the body's wastes. The urinary system is part of this system.
- 5. Protective covering on the body.
- 6. Moves blood through the body. The heart is the pump.
- 8. All body systems must work ____________.