Human brain produced and circulated. Underneath the cerebral cortex are several important structures, including the thalamus, the epithalamus, the pineal gland, the hypothalamus, the pituitary gland, and the subthalamus; the limbic structures, including the amygdala and the hippocampus; the claustrum, the various nuclei of the basal ganglia; the basal forebrain structures, and the three circumventricular organs. The cells of the brain include neurons and supportive glial cells. There are more than 86 billion neurons in the brain, and a more or less equal number of other cells. Brain activity is made possible by the interconnections of neurons and their release of neurotransmitters
History of the location of the soul as not being located in just the lungs but in the entire body and circulating it giving life. According to the treatise the first location of the air is to the brain and it describes that medical conditions of the brain can be caused by a blockage of air flow there. Aristotle in his works refers to "pneuma" being directly related to the soul. Aristotle in "De Anima" ("On the Soul") suggests that organs of the body are required for the soul to interact with. In book II, Aristotle states that, the soul is the part of the human that