To celebrate Bob's nineteenth birthday, his friends decide to drag him to a bar and fill him with beer. Bob reluctantly agrees. The group gathers at a table and orders a pitcher of beer. Bob, the birthday boy, is designated to have the first drink. Bob watches nervously as his friends fill his glass with beer. "Drink up Bob!" Bob's friends say with enthusiasm. All eyes are gaze keenly upon Bob. Bob takes a deep breath, picks up the glass, and chugs it as if he is dying of thirst. Bob proudly puts down the glass and wipes his mouth with his sleeve; his friends cheer frantically. Alcohol has now entered Bob's body. To determine how alcohol affects the body, let's observe Bob's night at the bar.Shortly after the first beer, Bob becomes more pleasant, relaxed and sociable. He inhales a second beer, picks up a third, and walks over to an attractive looking girl. Bob introduces himself and initiates a conversation. Bob's friends watch from a distance as he continues drinking. The attractive girl appears to be interested. Bob and the girl continue to talk. Suddenly, the attractive girl's facial expression sours, and she slaps Bob on the face; she storms out of the bar. Bob walks unsteadily back to his friends and continues drinking. Apparently, Bob had unconsciously offended the poor girl. The four beers Bob had impaired his judgement, slowed his reaction time, slurred his speech, and decreased his coordination skills, which resulted in Bob's swollen cheek. Shortly after six beers, Bob unwillingly vomits under the table. Sadly, Bob can no longer walk without falling; his friends acknowledge this and decide to pick him up and carry him back home. Ethanol is the ingredient that is responsible Bob's change in behaviour. After ingestion of beer, ethanol is rapidly absorbed through the stomach and the small intestine walls, into the millions of small blood capillaries. Within minutes, ethanol is evenly distributed througho...
