Across
- 2. The technical name for the windpipe
- 6. The rings around the trachea and parts of the ear are made of this
- 9. dome-shaped muscle that moves up and down beneath your lungs
- 12. The air sacs in the lungs
- 14. place where urine is stored
- 15. The system involved in processing and obtaining nurtrients from food
- 16. cells that defend the body from infection
- 17. Blood vessels that carry blood back to the heart
- 19. The system involved in gas exchange (breathing)
- 22. organs found in the ribcage that are part of the respiratory system
- 23. Common respiratory condition caused by the narrowing of the bronchioles
Down
- 1. also called the colon. About 1.5m long and involved in absorbing vitamines and water
- 3. the straw-coloured fluid that forms part of the blood
- 4. The system that carries oxygen and nutrients to cells and waste materital away from cells via the blood
- 5. small disc-like cells found in blood that oare involved with forming clots
- 7. cells that carry oxygen around the body
- 8. Blood vessels with walls 1 cell thick. This is where gas exchange happens in the blood
- 10. Animals with hooves and four chambers in their stomachs
- 11. The air passages that carry air in and out of the lungs
- 13. The system involved in filtering out waste and controlling contents of body fluids
- 18. bean shaped organs that filter waste from the blood
- 20. Blood vessels that carry blood away from the heart
- 21. the number of chambers in the heart