body systems and homeostasis

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Across
  1. 2. Breaks down food to smallest parts for absorption
  2. 7. Cells > tissues >organs >organ systems > organism
  3. 8. Transports nutrients and waste, O2, CO2
  4. 11. connective tissue that connects bones to other bones at joints
  5. 13. A large muscle below lungs that contracts and relaxes to move air into and out of lungs
  6. 15. Blood entering the heart FROM THE LUNGS
  7. 17. The tendency toward relatively stable equilibrium between interdependent elements.
  8. 18. Supports body, moves body
  9. 19. Targets foreign bodies for destruction
Down
  1. 1. Protects the body from damage via loss of water and abrasion
  2. 3. Movement of body and materials within body
  3. 4. Produces hormones (chemical messages) throughout the body
  4. 5. a strong, flexible tissue that covers and protects the ends of bones; also found in places such as the tip of your nose and your ears
  5. 6. 4 chambers of the heart
  6. 9. Site of O2 and CO2 exchange
  7. 10. Removes metabolic waste and maintains proper water, salt
  8. 12. To produce offspring via sexual reproduction
  9. 14. Coordinates voluntary and involuntary movement, transmits messages from cell to cell
  10. 16. where two or more bones meet (immovable and movable)