Across
- 5. Platelets in your blood help to ______ the blood to stop the bleeding when you get a cut.
- 7. You should check the _________ pulse of someone who looks dead to check if they’re still alive.
- 15. The blood is recharged when CO2 and O2 is _________.
- 16. Blood goes in two ____________ as it beats as the heart has two sides.
- 18. When you exercise, your heart beats about twice as fast and pumps about _____ times the amount of blood.
- 19. The contraction of the heart muscle is controlled by ________ ________.
- 21. The fluid part of blood that contains water, salts and nutrients.
- 22. These carry deoxygenated blood from the body to the heart.
- 23. To release digested nutrients, cells need ________.
- 24. These carry oxygen rich blood away from the heart.
Down
- 1. Heart muscles have the ability to start and _________ their own electrical impulses.
- 2. These small blood vessels take blood to the muscles.
- 3. Co2 and other things no longer needed.
- 4. There are four ________ in our heart.
- 6. Tiny air sacs are tiny chambers where ______ passes into the blood.
- 7. The part of blood that helps stop it flowing.
- 8. Smoking may damage the airsick in your lungs because they are very ____________.
- 9. The two main branches of the trachea leading to the lungs.
- 10. Blood enters the heart from the body on the ______ side of the heart.
- 11. The man died after he had a ________ arrest after playing video games for too long.
- 12. Taiwan has a _________ of roads like the blood vessels in our bodies.
- 13. The heart is ________ of special cardiac cells.
- 14. The 3 kinds of tubes that carry blood are called blood _________.
- 17. Air passes through your nose and mouth and enters your _________.
- 20. Blood is a _________, it is like water with other things in it.