Across
- 1. Blood vessel that carries blood from the body back to the heart
- 2. Cell fragment released by none marrow that helps in blood clotting
- 4. Structure in the throat that contains the vocal cords
- 6. Large flat muscle at the bottom of the chest cavity that helps with breathing
- 8. Lower chamber of the heart that pumps blood out of heart to the rest of the body
- 9. Smallest blood vessel; brings nutrients and oxygen to the tissues and absorbs carbon dioxide and waster products
- 11. Large blood vessel that carries blood away from the heart to the tissues of the blood
- 12. One of two large tubes in the chest cavity that leads from the trachea to the lungs
- 13. Straw-colored liquid portion of the blood
Down
- 1. Flap of connective tissue located between an atrium and a ventricle, or in a vein, that prevents blackflow of blood
- 2. Small group of cardiac muscle fibers that maintains the heart's pumping rhythm by setting the rate at which the heart contracts; the sinoatrail (SA) node
- 3. Tube that connects the larynx to the bronchi; also called the windpipe
- 5. Fluid that is filtered out of the blood
- 7. Iron-containing protein in red blood cells that binds oxygen and transports it to the body
- 10. Upper chamber of the heart that receives blood from the rest of the body