Across
- 3. This protects organs and aids in respiration. (2 words)
- 5. Inner layer of the pleura that closely covers the outer surface of the lung.
- 7. This layer of tissue within the breast contains skin and all of the subcutaneous fat.
- 9. The area at which the trachea bifurcates is called this.
- 11. Largest artery in the body.
- 12. Thick middle layer of the heart wall consisting of strong cardiac tissue.
- 14. The right atrioventricular valve with 3 leaflets.
- 15. The number of chambers of the heart.
- 17. Tongue-like projection off of the inferoanterior surface of the left lung.
Down
- 1. The left atrioventricular valve with 2 leaflets, also called Bicuspid.
- 2. First major vessel and the largest branch arising form the aortic arch.
- 4. Each lung lies within a single pleural cavity that is lined by this serous membrane.
- 6. This the major fissure of the right lung which separates the inferior lobe from the middle and superior lobes.
- 8. Left anterior descending coronary artery is also know as this. (2 words)
- 10. This gland is triangular shaped and reaches its maximum size during puberty and gradually gets smaller in size in adults.
- 13. Large, dome shaped muscle which is the chief muscle of inspiration.
- 16. The organs of respiration.