Across
- 4. groups of organs that work together to perform specific functions
- 5. the body's system responsible for removing waste products and excess water
- 6. a blood vessel that carries deoxygenated blood from the body's tissues back to the heart
- 7. the collection of organs and tissues that facilitate breathing
- 9. a specialized type of tissue that is responsible for generating movement in the body
- 12. a series of organs that work together to break down food, absorb nutrients, and eliminate waste products
- 14. the process of mechanically and enzymatically breaking down food into substances for absorption into the bloodstream
- 16. the collection of organs and tissues in both males and females that enable sexual reproduction
- 17. the body's ability to maintain a stable internal environment despite external changes
- 19. a network of tissues that work together to enable movement, maintain posture, and circulate blood throughout the body
- 20. a single elongated muscle cell that forms the building blocks of muscle tissue
Down
- 1. chemical messengers produced by the endocrine glands in the body
- 2. the body's framework, composed of bones, cartilage, and ligaments, that provides support, shape, and protection to the body, and facilitates movement with muscles
- 3. your body's communication network, made up of the brain, spinal cord, and nerves
- 8. delicate blood vessels that deliver nutrients and oxygen to cells throughout your body
- 10. a network of organs and vessels that transports blood throughout the body
- 11. An organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk
- 13. a network of glands and organs that produce and release hormones
- 15. any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival
- 18. blood vessels that carry oxygenated blood away from the heart to the rest of the body