Across
- 4. System that removes liquid waste from your body
- 6. System that is the first line of protection for the body.
- 8. System that provides framework and structure for the body
- 9. System that produces hormones that regulate growth, mood, sleep patterns, and sexual development
- 11. System that transports oxygen, nutrients, and blood around the body
- 12. The layer of skin you can see
- 13. System that carries messages throughout the body
Down
- 1. Pumps blood around the body
- 2. Uses acids to turn food into chyme before entering the small intestine
- 3. System that transports gases to and from the circulatory system
- 5. Main organ in the Excretory system (Plural)
- 7. System that directly works with the skeletal system to allow movement
- 10. System that breaks down and absorbs the nutrients in food