Across
- 1. the main artery that carries blood away from your heart
- 3. the hollow muscular organ forming an air passage to the lungs
- 4. a large membranous tube reinforced by rings of cartilage
- 6. any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.
- 7. the pair of spongy, pinkish-gray organs in your chest.
- 8. prevent and stop bleeding.
- 9. carries oxygen to parts of your body
- 11. receives blood full of oxygen from the lungs and then empties the blood into the left ventricle.
- 12. helps distribute nutrients to the body
Down
- 2. separates the lower left heart chamber (left ventricle) and the body's main artery (aorta).
- 5. helps to take air in and out of the body
- 10. any of the major air passages of the lungs which diverge from the windpipe.
