Human body systems

1. lets you react to things
6. Controls the body's movement and balance.
9. A column of nerve tissue that run from the base of the skull down the center of the back.
11. The organs that are involved in breathing.
13. The body systems needed for the body to survive and function correctly.
14. Blood vessels that carry blood away from and towards the heart
15. Receives messages from the sense organs and controls movement of the muscles.

2. Permits movement of the body, maintains posture, and circulates blood throughout the body.
3. Body's control system
4. Organized network of nerve tissue in the body.
5. A tissue with red blood cells, white blood cells, platelets, and other substances suspended in fluid called plasma
7. The organs that make urine and remove it from the body.
8. Connects your brain to your spinal cord.
10. Takes in food and liquids and break them down.
12. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases