Cardiovascular System and Respiratory System
Across
- 3. Made from fatty foods that we eat. There are two types of it.
- 4. An effect of regular exercise on the Cardiovascular system is Cardiac ........?
- 5. Allows us to chew and breathe at the same time.
- 7. Oxygen attatches to this in a red blood cell.
- 8. Flap at the back of our throat, which closes when we swallow food to stop it going down the trachea.
- 10. Smallest type of blood vessel, found in hands and toes.
- 12. cage Protects the organs such as the lungs.
- 13. Deoxygenated blood returns to the heart through this.
- 14. Thin walled, spongy sacs that fill when we breathe.
- 15. Take blood TO the heart.
Down
- 1. Contracts downwards to allow space for chest to expand.
- 2. Scientific name for the windpipe.
- 3. We exhale to get rid of this.
- 6. The main artery.
- 9. volume The amount of blood ejected from the heart per beat.
- 11. Take blood AWAY from the heart.