Across
- 2. carries blood to the heart
- 4. gives blood its red colour
- 6. the number of times the heart beats every minute
- 9. liquid portion of blood
- 10. largest veins of the body
- 12. widening of blood vessels
- 13. smallest type of blood vessel
- 14. another word for white blood cells
- 16. largest artery of the body
Down
- 1. constricting of blood vessels
- 3. carried by the pulmonary arteries
- 5. another word for red blood cells
- 7. carried by the pulmonary veins
- 8. purpose is to prevent backflow
- 11. carries blood away from the heart
- 15. another word for platelets