- the physio-animal section of the brain, contains the motor controls, the sub-brains, and the physical nervous system in general, including the physical aspect of the analytical section of the brain. The control of all voluntary and involuntary muscles is contained in this section. It commands all body fluids, blood flow, respiration, glandular secretion, cellular construction, and the activity of various parts of the body. (DTOT, p. 23)