Across
- 1. any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart
- 4. keeps the heart in a stable location in the mediastinum, facilitates its movements, and separates it from the lungs and other mediastinal structures
- 6. unique veins that carry oxygenated blood from the lungs back to the heart, specifically the left atrium
- 8. the middle layer of the heart's wall, composed of cardiac muscle tissue
- 9. each of the two upper cavities of the heart from which blood is passed to the ventricles
- 10. a hollow part or cavity in an organ
- 11. the body's largest artery, responsible for carrying oxygen-rich blood from the heart to the rest of the body
- 12. the Platelets
Down
- 2. the thin, smooth membrane which lines the inside of the chambers of the heart and forms the surface of the valves
- 3. The white blood cells
- 5. A large vein that carries blood to the heart from other areas of the body
- 6. blood vessels that carry oxygen-poor blood from the right side of your heart to your lungs
- 7. the Red blood cells
- 9. any of the muscular-walled tubes forming part of the circulation system
- 13. any of the fine branching blood vessels that form a network between the arterioles and venules