Across
- 5. organ system that provides oxygen from the atmosphere
- 8. heart, liver, brain, etc.
- 10. bones that protect the heart and lungs
- 11. a blood vessel that carries oxygenated blood from the heart
- 12. organ that pumps blood
- 13. organs that reabsorbs water from food
- 15. organ system that helps you remain healthy and disease free
- 16. organ that allow you to breathe
- 17. a group of organs working together: organ _____
- 18. organ that contains acid and breaks down food
- 19. organ that gets rid of toxins in the blood
- 20. organ system that breaks down food for cells to use
- 22. basic building blocks of all living organisms
- 23. tissue that connects muscle to bone
- 24. bone that protects the brain
Down
- 1. organ system that regulates growth, puberty,pregnancy, etc. by producing hormones
- 2. small sacs within your lungs
- 3. organs that filter waste from the blood
- 4. organ system that removes metabolic waste from your body
- 6. groups of similar cells that work together to perform a function
- 7. the endocrine system produces these chemicals that help regulate the body
- 9. organ that absorbs nutrients from food
- 14. organ system that controls muscle movement and your senses
- 21. organ system that gives your body structure