Across
- 6. The two chambers that receive blood at the top of the heart
- 7. The piece of tissue in the heart that stops blood from blowing back into a chamber and keep it flowing in the right direction
- 8. A b lood cell that carry oxygen from the lungs to the body cells
- 10. White blood cells make this protein to destroy viruses or bacteria
- 13. It helps to clot blood and stop bleeding
- 14. This describes blood with a little bit of oxygen in it
- 15. It receives deoxygenated blood from the body
- 16. To squeeze together to pump blood
- 17. A protein in red blood cells to carry oxygen
- 20. The second biggest type of blood vessel that careies blood to the heart
- 22. A Blood cell that helps fight disease
- 25. It pumps oxygenated blood to the body
- 27. One of the four places where blood flows in the heart
- 28. To rest
- 29. Your heart relaxes and contracts once to make this; like a heart beat
Down
- 1. This describes how oxygen gets from our lungs into our blood in our capillary
- 2. The largest artery that carries blood from the heart to other arteries
- 3. The liquid part of blood
- 4. Single-celled organism without a nucleus; they can be harmful
- 5. The smallest blood vessel; substances are exchanged here between the body cells & the blood vessel
- 9. Haemoglobin that has oxygen molecules attached to it
- 11. This describes blood with lots of oxygen in it
- 12. The two chambers that pump blood at the bottom of the heart
- 15. It pumps deoxygenated blood to the lungs
- 18. A protein that helps speed up a chemical reaction
- 19. Blood flows through them such as capillaries, arteries & veins
- 21. A group of cells that to the same job
- 23. It receives oxygenated blood from the lungs
- 24. Pieces of fat from fatty food that make your blood vessels narrow and can cause high blood pressure, heart disease & heart attacks
- 26. The biggest type of blood vessel that takes blood away from the heart