Composition of the Chest– the chest is composed of bones, cartilages, and ligaments.  Its natural form is that of a cone diminishing upward; and it affords lodgment of the heart, lungs and large blood vessels.  Its walls are formed posteriorly by the seven dorsal bones of the spinal column, and the ribs as far as the angle, the sides by the body of the ribs, and front by the ribs, the costal cartilages and the breast bone.

This section is about as exciting as you’d expect from a medical textbook.  It’s almost unique in the fact that it has no items comments or issues that don’t seem like they would appear in a medical textbook.  Some of the descriptions seem rather basic, but even that’s a bit of a stretch to find something unique about this section.