Across
- 4. delivers oxygen and nutrients to cells and takes away wastes
- 6. small pieces of tissue which keep blood flowing in the right direction
- 7. heart’s innermost layer
- 8. the thickest layer of the artery
- 9. a condition that occurs when levels of cholesterol in your blood are elevated
- 10. heart wall’s outer layer
- 11. carries blood away from the heart
Down
- 1. the smallest arteries which move blood from muscular arteries to the capillaries
- 2. the blood moves back to the heart through these
- 3. an abnormal growth of tissue in the heart
- 5. the middle and muscular layer of the heart