Across
- 2. blood vessels that carry oxygen-poor blood to your heart
- 4. the gateway between the lungs and the heart
- 6. a thin serous membrane lining the cavities of the heart
- 8. System supplies oxygen and nutrients to your whole body and removes waste through your blood
- 9. the relaxed phase of the cardiac cycle when the chambers of the heart are refilling with blood
- 11. The thin fluid-filled sac that surrounds the heart, including the top of the heart that is connected to major blood vessels, such as the aorta and vena cava
- 12. a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood
- 14. Artery major blood vessels that supply blood to your heart
- 15. the muscular tissue of the heart responsible for contracting and enabling blood Circulation movement to and fro or around something, especially that of fluid in a closed system
Down
- 1. A protein inside red blood cells that carries oxygen from the lungs to tissues and organs in the body and carries carbon dioxide back to the lungs
- 3. ventricle connects nearly all organ systems through its function to pump oxygenated blood to the body
- 5. small colorless cell fragments in our blood that form clots and stop or prevent bleeding
- 7. delicate blood vessels (tubes that hold blood) throughout your body
- 10. the triangular wall of cardiac tissue that separates the left and right ventricles the lower chambers of the heart
- 13. the largest artery in the body