Across
- 2. Organs in the chest that allow for breathing and gas exchange
- 3. Muscular sac that breaks down food in the digestive system
- 6. System responsible for creating new life
- 8. System that regulates hormones and body functions
- 9. Proteins produced by the immune system to fight infections
- 11. System that provides structure and support for the body
- 13. Hard tissues that make up the skeletal system
- 14. System that allows for movement and flexibility
- 16. Structures made up of tissues that perform specific functions in the body
- 17. Largest organ in the body, part of the integumentary system
- 18. Tissues that contract and relax to allow for movement
- 19. Chemical messengers released by the endocrine system
Down
- 1. System responsible for breathing and gas exchange
- 4. System that transports blood throughout the body
- 5. System that controls and coordinates body functions
- 7. System that includes the skin, hair, and nails
- 10. System that breaks down food for energy and nutrients
- 12. Muscular organ that pumps blood through the circulatory system
- 13. Organ that controls thoughts, memories, and body functions
- 15. System that defends the body against infections and diseases