Circulatory System
Across
- 2. a device used to control heart rhythms
- 8. the liquid portion of blood
- 9. the events that make a heart beat
- 10. muscle tissue in the heart
- 12. narrowing of blood vessels
- 14. the innermost layer of tissue that lines the chambers of the heart
- 16. the bottom number on a blood pressure reading
- 20. the vibration of an artery as blood passes through it
- 22. another name for bicuspid valve
- 24. tubes that carry oxygen-poor blood to the heart
- 25. a concentration of capillaries
Down
- 1. tubes that connect arteries to veins
- 3. lets blood flow from left atrium to left ventricle
- 4. the separation of the left and right nostrils
- 5. small group of blood vessels from a artery to capillaries
- 6. movement through a membrane from high concentration to low concentration
- 7. supply oxygen rich blood to the heart
- 11. brings nutrients to cells and takes away wastes
- 13. a group of veins that take blood from the myocardium to the right atrium
- 15. one of the valves of the heart that lies in the pulmonary artery trunk and at the opening of the right ventricle
- 17. the product of the amount of blood per heart beat, times the number of heart beats in a minute
- 18. the top number on a blood pressure reading
- 19. the thickness of something
- 21. a membrane that surrounds the heart
- 23. two main chambers of the heart, release blood from atrium