Across
- 1. : Number of heartbeats per minute
- 4. : Disease damaging alveoli
- 5. : Fluid that transports oxygen and nutrients
- 8. : Small arteries leading to capillaries
- 9. : Body's defense against infection
- 10. : Blockage or bleed in the brain
- 14. : Scientific name for red blood cell
- 16. : Bulging of a weakened blood vessel
- 17. : Heart relaxation phase
- 19. : Germ that causes disease
- 22. : Inflammation of bronchial tubes
- 23. : Fluid reducing friction around heart
- 26. : Lymphatic tissue in throat
- 28. : To breathe air out of the lungs
- 29. : Flap preventing food from entering trachea
- 30. : Condition causing narrowed airways
- 31. : Doctor specializing in heart care
- 33. : One full heartbeat sequence
- 37. : Heart contraction phase
- 39. : Force of blood against vessel walls
Down
- 2. : Number of breaths per minute
- 3. : Heart muscle layer
- 6. : Brain area controlling breathing
- 7. : Hollow spaces that help warm and moisten air
- 11. : Doctor specializing in lungs
- 12. : Severe bleeding
- 13. : Small veins connecting to capillaries
- 15. : Mass that stops bleeding
- 18. : Burst of a weakened blood vessel
- 20. : Blood pH becomes too basic
- 21. : Blood pH becomes too acidic
- 23. : Controls heartbeat rhythm
- 24. : Scientific name for white blood cell
- 25. : Maximum air exhaled after deep breath
- 27. : Test measuring heart's electrical activity
- 32. : To breathe air into the lungs
- 34. : Muscles between ribs that aid breathing
- 35. : Fluid that lubricates lungs
- 36. : Measurement of clotting cell level
- 38. : Process of swapping oxygen and carbon dioxide