Blood

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Across
  1. 5. delicate blood vessels that exist throughout your body
  2. 6. cava a large vein that carries blood to the heart from other areas of the body
  3. 8. a blood vessel that carries blood to the heart from tissues and organs in the body
  4. 11. heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart
  5. 12. the airway that leads from the larynx to the bronchi
Down
  1. 1. the pressure of the blood in the circulatory system, often measured for diagnosis since it is closely related to the force and rate of the heartbeat and the diameter and elasticity of the arterial walls
  2. 2. the number of times the heart beats within a certain time period, usually a minute
  3. 3. any of the many living air sacs of the lungs which allow for rapid gaseous exchange
  4. 4. a tiny branch of air tubes in the lungs
  5. 6. a hollow part or cavity in an organ
  6. 7. the largest blood vessel in the body
  7. 9. the membrane enclosing the heart, consisting of a fibrous layer and an inner double layer of serous membrane
  8. 10. large airway that leads from the trachea to a lung
  9. 13. blood vessels that distribute oxygen-rich blood to your entire body