Across
- 3. make hormones and release them directly into the blood
- 6. breathing involved
- 7. largest organ of the human body
- 8. organ of the skeletal system that provides support
- 9. Circulates blood and lymph through the body
- 10. store urine
- 16. produce, store, and carry white blood cells that fight infections and other diseases
- 18. organs forming the outermost layer of an animal's body
- 20. regulates the chemical composition of body fluids
- 21. carry blood and lymph fluid through the body
- 22. produce sperm
Down
- 1. stores and filters blood
- 2. runs through the center of your back
- 4. Take in food and liquids and break them down
- 5. Responsible for movement
- 11. organs and tissues that help you breathe
- 12. To produce egg and sperm cells
- 13. pumps blood through your body
- 14. where food is stored
- 15. growth and development
- 17. made up of the spinal cord
- 19. Body's central framework