Which organ is the primary site for alcohol absorption into the bloodstream?

The small intestine is the primary site for alcohol absorption into the bloodstream due to its large surface area and efficient absorption capabilities. When alcohol is consumed, it first enters the stomach, where a small amount can be absorbed; however, the majority of absorption occurs in the small intestine. The lining of the small intestine is richly equipped with villi and microvilli, which enhance the absorption process.

Once alcohol reaches the small intestine, it is rapidly absorbed through the intestinal walls and then enters the bloodstream. This allows it to quickly circulate throughout the body. The liver, while crucial for metabolizing alcohol, is not where alcohol absorption occurs but rather where it is processed after absorption. The stomach and pancreas play lesser roles in alcohol absorption, making the small intestine the correct answer in this context.