Chest anatomy

2. The largest artery in the body, carrying blood from the heart to the rest of the body.
4. fissure The fissure that divides the upper and middle lobes of the right lung.
6. lobe The top portion of the lung, found in both the right and left lungs.
8. One of the two main air passages that lead from the trachea to the lungs.
10. lobe The lobe of the right lung located between the upper and lower lobes.
11. The muscle that separates the chest cavity from the abdominal cavity and aids in breathing.
13. One of the two lower chambers of the heart that pump blood out.

1. lobe The bottom portion of the lung, found in both the right and left lungs.
3. The windpipe, a tube that carries air to the lungs.
5. One of the two upper chambers of the heart that receive blood.
7. fissure The fissure that separates the upper and lower lobes in both the left and right lungs.
9. Organ that pumps blood throughout the body.
12. Curved bones that form the chest cage, protecting internal organs.
14. Organs responsible for gas exchange, located in the chest.