Do we control our Brains or Do our Brains control us?
Have you ever held you urine for a long time and on the sight of a means of convenience it seemed liked your bladder would burst that very second? Likewise when you hold your bowel movement for a long period of time... I bet you have. So, what really happens at that moment? Science explains that at the sight of a means of convenience the brain tends to release it's control on the external urethral sphincter. The bladder has two sphincters, internal and external which guard it's exit. The internal sphincter is entirely under the influence of the autonomic nervous system while the external sphincter is under the influence of the conscious mind (cerebral cortex), even when the full and the internal sphincter is opened we could still control our urination by our influence on the external sphincter. But there is something rather strange about this phenomenon that makes us suddenly lose control of that sphincter when we see a place of convenience. Could it ...