Across
- 3. The tiny filtering unit inside each kidney.
- 5. The valve found on the right side of the heart, between the atrium and ventricle.
- 12. The gas your body gets rid of when you breathe out.
- 14. When blood flow to a part of the brain is stopped or blocked.
- 17. Blood vessels that carry blood BACK to the heart.
- 18. The valve found on the left side of the heart, between the atrium and ventricle (also called Mitral).
- 19. Tiny air sacs in the lungs where oxygen goes into the blood.
- 21. The main organ of the circulatory system that pumps blood.
- 24. The body system that removes liquid waste from your blood.
- 25. The gas your body needs from the air to live.
- 26. The body's largest artery; it carries oxygen-rich blood from the heart to the body.
- 27. The type of blood cells that receive and deliver oxygen.
- 29. What the bladder wall does when it squeezes to push out urine.
Down
- 1. The main tube (also called windpipe) that air travels down to reach your lungs.
- 2. Smaller tubes inside the lungs that branch off from the bronchi.
- 4. The tube that carries urine from each kidney down to the bladder.
- 6. The body system that moves blood, oxygen, and nutrients around your body.
- 7. The organ that stores urine until your body is ready to release it.
- 8. Short name for Coronary Artery Disease.
- 9. The small, tangled ball of tiny vessels that first filters blood inside the nephron.
- 10. The liquid waste removed from your blood by the kidneys.
- 11. A large vein that brings oxygen-poor blood from the body back to the heart.
- 13. The body system that helps you breathe in and out.
- 15. Two bean-shaped organs that filter your blood and make urine.
- 16. A part inside the heart that stops blood from flowing backward.
- 18. The two large tubes that split from the trachea and go into each lung.
- 20. The main organs of the respiratory system inside your chest.
- 22. Blood vessels that carry oxygen-rich blood AWAY from the heart.
- 23. The total number of main chambers (rooms) in the human heart.
- 28. A respiratory disease that makes it hard to breathe out.
