Across
- 3. Circulation of______consists of two main circuits.
- 5. Returns blood to heart
- 7. The smallest Blood vessel
- 9. _______ is often symptomless but can lead to heart disease and stroke.
- 12. Blood that has circulated throughout the body enters the heart through the right____.
- 15. the lower chamber is called a ______.
- 16. The human cardiovascular system is composed of the _____ and the blood vessels.
- 18. taking in oxygen from the air and releasing carbon dioxide
Down
- 1. The _____ system is necessary for life
- 2. Other_____ points of the body are the temple,and side of the neck.
- 4. The heart ____ an average of 72 times per minute.
- 6. The heart is roughly the size of a clenched ______.
- 8. Arteries near the surface of the skin can be used to measure blood ______.
- 10. The heart, although a _____ organ
- 11. The heart is a ______.
- 13. The heart is located in the _____.
- 14. Largest and heaviest organ within the body
- 16. _______ blood pressure , can be caused by an increase in the volume of blood pumped by the heart
- 17. The hearts main job is to _____ blood.