Across
- 1. any of the fine branching blood vessels that form a network between the arterioles and venules.
- 4. A Large vein carrying deoxygenated blood into the heart.
- 7. Two of the two main chambers of the heart, left and right.
- 8. One way flaps that open to send blood to the next chamber.
- 9. A partition separating two chambers of the heart.
- 10. The main artery of the body, supplying oxygenated blood to the circulatory system.
Down
- 1. The muscular tissue of the heart
- 2. Any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart.
- 3. Sends electrical signals to start a heartbeat.
- 5. Each of the two upper cavities of the heart from which blood is passed to the ventricles.
- 6. Any of the muscular-walled tubes forming part of the circulation system by which blood is conveyed from the heart to all parts of the body.