Across
- 4. the volume of blood returning to the heart
- 7. thin muscle layers, wider lumens
- 8. volume the volume of blood pumped out by ventricles in each contraction
- 10. oblongata part of the brain
- 14. arteries become clogged up by fatty deposits
- 17. fibre spread through the ventricles
- 18. meeting the oxygen demand with the oxygen supply
- 22. happens after 10 minute of a prolonged exercise
- 23. hypertrophy thickening of muscular wall of the heart
- 24. of his located in septum, separated into two bundle branches
- 27. Chest pain
- 28. capacity of the heart to generate its own impulse
- 30. fraction the percentages of blood pumped out of left ventricle per beat
- 36. A fatty deposit
- 37. aerobic respiration and energy production in the cell
- 39. ventricular relaxation
- 40. occurs when blood supply to brain is cut off
- 42. the difference between the oxygen content in arterial and venous blood
Down
- 1. force exerted by the blood against the blood vessel wall
- 2. detect the change in blood pH
- 3. widening of blood vessels
- 5. narrowing of blood vessels
- 6. ventricular contraction
- 9. detect the change in movement
- 11. delays impulse for atrium to fully contract
- 12. type of hormone
- 13. blood clot
- 15. decrease in resting heart rate to below 60bpm
- 16. temporary store for oxygen
- 19. smaller lumen, smooth inner layer
- 20. nerve decrease heart rate
- 21. detect the change in blood pressure
- 25. bad cholesterol
- 26. initiates heart beat located at the right atrium
- 29. combines with oxygen to form oxyhemoglobin
- 31. one cell thick
- 32. output the volume of blood pumped out by the heart ventricles per minute
- 33. capillary sphincters tiny rings of muscle located at the opening of capillaries
- 34. fluid part of blood
- 35. shift the oxygen dissociation curve shifting to the right
- 38. good cholesterol
- 40. nerve speed up heart rate
- 41. weakened boood vessel supplying the brain burst