Across
- 2. What is responsible for the pumping motion in the heart
- 5. Carries oxygen poor blood to the right atrium
- 8. Receives the blood, and sends it to the ventricle to be pumped out of the heart
- 10. Generates an electrical signal that causes the upper chambers of the heart to contract
Down
- 1. Prevents blood from moving back to where it came from
- 3. Transports oxygen rich blood from the heart to the rest of the body
- 4. At the end of the arteries, it delivers blood to the organ and then returns that to be sent back to the heart, through veins
- 5. Carries blood back to the heart
- 6. Carries blood away from the heart
- 7. Receives blood from the atrium, and pumps that out to the rest of the body
- 9. Prevents used blood from mixing with oxygen rich blood