Across
- 1. ensures that the flow of blood is in one direction
- 4. responsible for the contractility of the heart
- 5. separates the left and right sides of the heart.
- 6. carries oxygen-rich blood from the heart to the rest of the body
- 7. transports blood back to the heart
- 8. transports blood away from the heart
- 9. bloodvesselss that distribute oxygen and nutrients throughout the body.
Down
- 1. returns deoxygenated blood back to the heart
- 2. generates the electrical impulse that initiates the heartbeat.
- 3. lower chambers where blood circulates before pumping it to the other parts of the body
- 8. upper chambers where blood enters the heart