Across
- 3. what is the space inside a blood vessel called
- 4. these bring blood back from the body to the heart
- 5. are valves present in arteries yes or no
- 7. do arteries have high or low blood pressure
- 9. where does oxygenated blood go once its left the heart
- 11. these have a thick muscular wall to push blood along
- 12. a substance found in plasma
- 13. which side of the heart does the blood go through
Down
- 1. the only fluid tissue in the body
- 2. white blood cells release these
- 6. these are only one cell thick
- 8. which tissue is the heart mostly made of
- 10. do arteries carry oxygenated or de-oxygenated