Either having too much dopamine - or too much dopamine concentrated in some parts of the brain and not enough in other parts
Answer:
The chyme, which is already a fecal bolus formed produces an involuntary stimulus reaching the colon that cause the defecation; The first step is the relaxation of the internal sphincter through the sacral nerve (involuntary), and then voluntarily the cerebral cortex through the pudendal nerves that relax the external sphincter.
Nolur acil lütfen yalvarırım sana da hayırlı
