Across
- 4. When the heart stops working
- 6. The disease of our heart and blood vessels
- 7. The main organ in our cardiovascular system
- 9. Blood vessels that bring blood away from the heart
Down
- 1. The substance within blood thats in the arteries. Our organs need it.
- 2. pressing on someone's chest to get their heart pumping
- 3. When the walls of an artery or vein become thick or clogged, blood cannot get to the heart.
- 5. breathing into someone to give them oxygen
- 6. lifesaving care that you can give to someone with cardiac arrest.
- 8. Blood vessels that bring blood to our heart