The cerebellum controls fine movements. As alcohol affects the cerebellum, muscle movements become uncoordinated. In addition to coordinating voluntary muscle movements, the cerebellum also coordinates the fine muscle movements involved in maintaining your balance. So, as alcohol affects the cerebellum, a person loses his or her balance frequently. Alcohol has two noticeable effects on the hypothalamus and pituitary gland, which influence sexual behavior and urinary excretion.
Alcohol depresses the nerve centers in the hypothalamus that control sexual arousal and performance.
As BAC increases, sexual behavior increases, but sexual performance declines. Marry sir, nose-painting, sleep, and urine. The porter in the above excerpt also notes the effect of alcohol on urine excretion. Medulla The medulla , or brain stem, controls or influences all of the bodily functions that you do not have to think about, like breathing, heart rate, temperature and consciousness. As alcohol starts to influence upper centers in the medulla, such as the reticular formation , a person will start to feel sleepy and may eventually become unconscious as BAC increases.