Across
- 3. System that contains the gastrointestinal tract plus the accessory organs of digestion
- 4. System responsible for transmitting signals to whole body from brain
- 7. Internal body temperature regulated by hypothalamus
- 9. Network of organs and tissues that help people breathe
- 15. Equilibrium among body systems
- 16. Body's chemical messengers
- 17. Elongated contractile cells that forms muscles
- 19. System that circulates blood to whole body
- 20. System made up of fibers; predominant function is contractibility
Down
- 1. Composed of cells that have the ability to contract
- 2. Your body's central framework
- 5. System involving tissues, glands, and organs involved in reproduction
- 6. Smallest type of blood vessel
- 8. Organ that makes one or more substances
- 10. Breaking down of food without chemicals
- 11. Responsible for distributing oxygen-rich blood to your body
- 12. Collect oxygen poor blood and send it to heart
- 13. Complex molecules are broken down for usage
- 14. Complex network of glands and organs
- 18. System that removed waste from body to maintain homeostasis