Circulatory & Respiratory Systems by Alex Baker

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Across
  1. 3. Large blood vessel that carries blood away from the heart to the tissues of the body.
  2. 6. Lower chamber of the heart that pumps blood out of heart to the rest of the body.
  3. 7. One of two large tubes in the chest cavity that leads from the trachea to the lungs.
  4. 10. Large flat muscle at the bottom of the chest cavity that helps with breathing.
Down
  1. 1. Structure in the throat that contains the vocal cords.
  2. 2. Thick middle muscle layer of the heart.
  3. 4. Upper chamber of the heart that receives blood from the rest of the body.
  4. 5. Blood vessel that carries blood from the body back to the heart.
  5. 8. Tube at the back of the mouth that serves as a passageway for both air and food; also called the throat.
  6. 9. Tube that connects the larynx to the bronchi; also called the windpipe.