Across
- 3. The arm muscle that we all love to flex
- 7. System that performs gas exchange (CO2 out, oxygen in)
- 9. Organ that pumps blood
- 12. System that relays electrical signals to control every part of the body
- 16. System that breaks down food and absorbs nutrients
- 17. Splits the windpipe into two paths (left and right)
- 18. System that pumps blood to transport oxygen and CO2
- 20. System that recognizes and responds to diseases and allergies
- 21. Windpipe
- 22. A red, liquid "connective tissue" that carries oxygen throughout the body
- 23. Bean shaped, blood filtering organs that come in a pair
- 25. The largest organ in the body and the one that everyone sees
- 29. Another name for the circulatory system
- 30. Splits each bronchiole into multiple small sac structures that perform gas exchange
- 31. System that provides support and attachment points for muscles
- 32. Red-tinted vessels that carry fresh blood to the rest of the body to provide oxygen
Down
- 1. Long tube organs that carry food after the stomach has broken it down
- 2. System that provides movement for the bones and body parts
- 4. Excretory organ used to get rid of excess water
- 5. Splits each bronchus into multiple paths
- 6. Structure used to pass down electrical signals from the brain to the rest of the body
- 8. System that gets rid of waste
- 10. Two large organs in the chest that provide gas exchange
- 11. Organs of the skeletal system, in general
- 13. Largest internal organ, used to detoxify blood from things like alcohol
- 14. Main organ of the digestive system
- 15. The core muscle that many wish they had (specifically a group of six)
- 19. Rubber-like tissue that pads the bones at joints to reduce friction
- 20. System that maintains the exterior of the body
- 24. Blue-tinted vessels that carry old blood back to the lungs to resupply them with oxygen
- 26. Name of nervous system cells specifically
- 27. Part of throat that carries food
- 28. Nervous system organ some 7th grade boys act like they don't have