To better understand how the different part of the body works.
To understand the physiology of the various structures in the body.
To differentiate the systems of the human body
.
Effects: Maintenance of libido, deepening of voice, facial, axillary and limb hair, maintenance of erection, maintenance of testicular size/consistency, maintenance of muscle bulk/bone mass
Consequences: Loss of libido, high-pitched voice, decreased hair, loss of erection/ejaculation, thinning & loss of hair, small soft testes, subfertility, decreased muscle bulk, osteoporosis.