Across
- 2. made up of fat, cholesterol, blood cells and other substance
- 4. Routes that blood travels
- 7. Carries important "stuff" through body
- 8. Deficiency in the number or quality of red blood cells
- 9. can be found whenever and artery passe over a bone
- 11. Happens if the blood supply to your brain is blocked.
- 13. Shape provide large surface area to take in oxygen
Down
- 1. the smallest and most numerous of the blood vessels
- 3. Which give the blood red
- 5. wind pipe
- 6. pumps or pushes blood through body
- 10. blood drifts back to the heart through wide veins, under very low pressure, veins keep it flowing in the right direction and prevents backflow
- 12. Protect your lungs