Body Systems Crossword Puzzle

1234567891011121314151617181920212223
Across
  1. 4. Type of digestion where enzymes do chemistry magic on your food.
  2. 5. The nervous system that handles everything outside the brain and spinal cord.
  3. 7. Nose feature that acts like bouncers at a club, keeping dust and dirt out.
  4. 9. Flap in your throat that’s basically yelling “Food goes down THIS way!”
  5. 10. When your body plays thermostat and says, “Not too hot, not too cold!”
  6. 11. Blood vessels that are like Uber drivers taking blood away from the heart.
  7. 13. After nutrients are broken down, this is how they sneak into your bloodstream.
  8. 20. The process your body uses to turn pizza into nutrients (and regret later).
  9. 21. Main communication highway between your brain and body—no Wi-Fi needed.
  10. 22. The heart’s version of “One Way” street signs.
  11. 23. Type of digestion that’s basically food demolition by chewing.
Down
  1. 1. The feedback type that says, “Chill bro, let’s stop this from going too far”
  2. 2. Muscle type that works 24/7 in your heart, even when you’re binge-watching Netflix.
  3. 3. These bean-shaped organs are the ultimate blood filters.
  4. 5. The feedback type that’s like, “Party’s lit, let’s go even harder!”
  5. 6. Blood vessels that bring blood back home to the heart—return trip, please.
  6. 8. Largest part of the brain, where the big thinking happens.
  7. 9. The body’s trash removal system for pee, sweat, CO₂, and… 💩.
  8. 12. Muscle type you flex at the gym for Instagram selfies.
  9. 14. Muscle type that runs your organs without asking your permission.
  10. 15. Brain lobe that lets you see TikToks, literally.
  11. 16. You’ve got 206 of these; break one and suddenly everyone signs your cast.
  12. 17. The minerals that make your bones tougher than your math homework.
  13. 18. Brain lobe that lets you smell pizza and hear your mom calling your name.
  14. 19. Small-but-mighty part of brain that helps you not trip over nothing in the hallway.