Across
- 1. blood vessels that carry blood from the capillaries back to the heart
- 5. a
- 8. the spread of abnormal cells from one part of he body to another
- 11. small thin blood vessels that carry oxygen ad nutrients from the arteries to the body's tissue
- 13. a period of time that signs and symptoms of a disease subside
- 16. an interruption of the blood flow to a section of the brain
- 17. flaps of tissue that control blood flow in the heart
- 18. a circular, hallow, wire mesh. tube
- 20. a condition that is characterized by high blood pressure
- 21. a sample of tissue from the body for study and testing
Down
- 2. diseases that are not caused by a pathogen and cannot be transmitted from person to person
- 3. a disorder that cause an irregularity in a persons heart rhythm
- 4. narrow tubes that transport oxygen, blood, and nutrients throughout the whole body; include arteries, capillaries, and veins
- 6. a probable consequence of a disease
- 7. a mass of abnormal cells that remain in the areas of the body where they first develop
- 9. a growth of abnormal cells in the body's tissue
- 10. large muscular blood vessels that transport blood from the heart to the capillaries.
- 12. a pressure, squeezing or pain in the chest that is often a sign of heart attack
- 14. alterations of a gene's normal structure
- 15. a treatment in which medicine are administered to kill cancer cells
- 19. the largest artery in the body