Across
- 2. Heart chamber that receives blood into the heart and drivesit into a ventricle, or chamber, for pumping blood away from the heart
- 4. the membrane enclosing the heart
- 7. A blood vessel that carries blood to the heart from tissues and organs in the body
- 9. blood vessels that distribute oxygen-rich blood to your entire body
- 10. rupture of red blood cells (destruction)
- 12. delicate blood vessels that exist throughout your body
- 13. any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange
- 14. Cava A large vein that carries blood to the heart from other areas of the body
Down
- 1. the pressure of the blood in the circulatory system
- 2. toxin or other foreign substance which induces an immune response in the body, production of antibodies
- 3. the airway that leads from the larynx to the bronchi
- 5. a hollow part or cavity in an organ
- 6. the number of times the heart beats within a certain time period
- 8. A tiny branch of air tubes in the lungs
- 11. large airway that leads from the trachea (windpipe) to a lung