Book One -- The things that sustain and support the entire body, and
what braces and attaches them all. [the bones and the ligaments that
interconnect them]
Book Two -- All the ligaments and muscles, instruments of voluntary
and deliberate motion
Book Three -- The series of veins and arteries throughout the
body
Book Four -- The nerves
Book Five -- The organs of nutrition and generation
Book Six -- The heart and organs serving the heart [Chiefly the heart
and lungs]