In a person's body, alcohol is primarily transported through which medium?

Alcohol is primarily transported through the bloodstream, making blood the correct medium for its movement within the body. Once alcohol is consumed, it enters the stomach and small intestine, where it is absorbed into the bloodstream. The blood then carries the alcohol to various organs and tissues, including the brain, where it exerts its effects. This transport mechanism is significant because it allows alcohol to rapidly affect multiple systems and processes in the body, contributing to its psychoactive properties.

Other potential mediums, such as urine, fat cells, or bone tissue, are not involved in the primary transportation of alcohol. While the kidneys filter alcohol out of the blood and excrete it in urine, this is a process of elimination rather than transport. Similarly, fat cells can store alcohol but do not play a significant role in its transportation. Bone tissue is not involved in the transport of alcohol at all. Therefore, blood is key in the distribution and effects of alcohol throughout the body.