Across
- 1. The name of the fluid part of the blood
- 6. what is the hollow region of a blood vessel called
- 8. white blood cells can engulf pathogens to kill them, or make proteins called what?
- 9. which vessel has a wide lumen
- 10. which blood vessel is only one cell thick
- 11. What typical animal cell part do red blood cells not have
- 13. which tissue in an artery can stretch and recoil
- 14. which blood vessel has thick walls of elastic and muscle tissue
- 15. how would you describe the pressure of the blood in an artery
- 16. By what process do gases move
- 17. The plasma carries 2 waste materials, one is carbon dioxide, name the other
- 18. What gas do red blood cells carry
Down
- 1. Name the cell fragments that help blood clot
- 2. Name the pigment present in red blood cells
- 3. A sugar carried int he blood plasma (used in respiration)
- 4. blood cells The cells that kill pathogens in the body
- 5. what do platelets help the blood do
- 7. which tissue in an artery can cause the vessel to widen and narrow
- 8. What do white blood cells produce to neutrlaise bacterial toxins
- 12. what do veins have to help prevent backflow
