Respiratory

1. A fancy term for anything related to lungs.
7. The super small air sacs where the magic (gas exchange) happens.
8. The two main branches off the trachea that send air into the lungs. Basically, tree trunks for your airways.
10. That big muscle under your lungs that helps you breathe whether you remember to or not.
14. Tiny blood vessels that swap oxygen and CO₂ like a trade deal.
16. When breathing randomly stops for a bit. Like, "Nah, I’m taking a break."
18. The protein in red blood cells that carries oxygen like an Uber driver.
19. The only gas your body actually cares about. The VIP of respiration.
20. The slippery tissue that stops your lungs from rubbing against your ribs like a bad sweater.
22. Capacity, The maximum amount of air you can force in or out. Think: deep breath before yelling.
23. Tiny hair-like structures in your airways that move mucus and dirt out. The lung janitors.
24. The big, squishy, air-filled things that keep you from suffocating.

2. The entire process of taking in oxygen and getting rid of CO₂. The reason you’re not a plant.
3. When your airways decide to throw a tantrum and make breathing harder.
4. The fancy word for “windpipe.” It’s literally just a tube for air.
5. Breathing way too fast. Often caused by stress or watching horror movies.
6. A group of lung diseases that make breathing a struggle. Not fun.
8. The tiny little branches off the bronchi. Like the twigs of your lung tree.
9. A disease that destroys alveoli, usually from smoking or pollution.
11. A little flap that keeps food from going down your windpipe and causing embarrassment.
12. Your voice box. Without it, no talking, no screaming, no weird singing in the shower.
13. Volume, The amount of air you breathe in and out normally. AKA, your chill breathing.
15. A fancy way to say "throat" but make it sound scientific.
17. When your body isn’t getting enough oxygen.
21. Dioxide, The waste gas you breathe out. Like, “Thanks for nothing, CO₂.”