Across
- 4. - (the rest of the body) where oxygen is delivered and waste is produced.
- 6. - two chambers on the top (of the heart)
- 8. - refers to the period of relaxation
- 9. - represents damage to part of the brain caused by an interruption to its blood supply
- 11. - or ballooning of the artery wall
- 13. - a thin walled blood vessel that returns blood toward the heart from the veins
- 14. - prevent blood from flowing back into the atria when the ventricles contract
Down
- 1. - (lungs), where blood picks up oxygen and gets rid of
- 2. - prevent backflow into the ventricles from the main arteries leaving the heart when the heart relaxes
- 3. - Arteries transport blood away from the heart
- 5. - cycle of rapid expansion and recoil in the wall of an artery if it’s located near the skin’s surface
- 7. - the walls of the heart consist of three layers, which the middle layer is,
- 10. - Arterioles connect to the smallest blood vessels
- 12. - refers to the period of contraction
- 15. - the two more-muscular bottom chambers are