MOM! ONLY TWO CAVITIES!

Our inner-selves comprise two distinct “bowls” that contain our “parts”. 1. The Thoracic Cavity. So-named, as it corresponds to the thoracic spine, and, more-to-the-point, the ribcage. Beneath the flexible, yet protective, ribs resides our heart (cardiovascular), lungs (respiratory) and trachea (digestive). The presence of bony structure as a protective device points out the importance of… continue reading