Across
- 4. receives blood full of oxygen from the lungs and then empties it into the left ventricle
- 5. Carries oxygen poor blood to your hearts right atrium
- 7. carries oxygen-deprived blood to all parts of the body
- 9. controls the pumping action for the heart, must contract with enough force to send blood to the whole body.
- 10. is the "Shipping station" for the heart
- 11. helps the heart pump blood convinently by preventing it from flowing back into the heart chambers.
Down
- 1. They make it possible for your heart to beat and distribute blood throughout your heart.
- 2. Has very thin walls and through them, nutrients and oxygen are delivered to the cell.
- 3. controls and increase/decrease the heartbeat.
- 6. a cone-shaped vessel that deoxygenated rich blood to your body.
- 8. lets something in and keeps it there by closing