A blood alcohol concentration (BAC) or blood alcohol level (BAL) reflects the amount of alcohol in the body. Food, type and quantity of beverage, weight, sex, and rate of elimination determine the BAC after the consumption of alcohol.
The process of oxygen transfer in the gills of a fish is a good example of the benefits of countercurrent exchange. As oxygen poor blood meets an opposed flow of oxygen rich water, the oxygen begins to diffuse out of the water and into the blood stream.
An example of a warm water current is the Gulf Stream. This starts in the Caribbean runs up the eastern seaboard of the Unites States and then crosses the Atlantic to Europe.â¦ It is responsible for keeping the British Isles warm as compared with Newfoundland which is at the same latitude.n example of a warm water current is the Gulf Stream. This starts in the Caribbean runs up the eastern seaboard of the Unites States and then crosses the Atlantic to Europe. â¦ It is responsible for keeping the British Isles warm as compared with Newfoundland which is at the same latitude.