Across
- 1. A tiny blood vessel, just one cell thick.
- 5. A type of blood cell that helps to clot blood at the site of a cut
- 7. A type of blood vessel that usually brings blood to the heart
- 9. the name for a small chamber of the heart
- 11. Pumps blood around the body
- 12. The way materials pass into and out of capillaries
- 14. Allows blood to flow in one direction only
- 15. A transport system in the body
- 18. the force of blood in an artery caused by the pumping of the heart
- 21. A waste gas that travels to the lungs in the blood
- 22. A type of blood vessel with a pulse
- 23. An artery that carries blood to the lungs
Down
- 2. Produced by some types of white blood cells that fight specific diseases
- 3. A type of blood cell that carries oxygen
- 4. The wall in the heart that separates the left and right sides
- 6. a straw coloured liquid part of blood
- 7. The name of the larger chamber in the heart
- 8. A type of blood cell that fights infection
- 10. The red pigment in blood
- 13. The number of chambers in the heart
- 16. A special muscle that is found in the heart
- 17. The liquid part of the circulatory system
- 19. The main artery of the body
- 20. An important gas that is carried in the blood from the lungs