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.
Itâs mostly composed of ices: methane, water and ammonia. And then itâs enshrouded by an atmosphere of hydrogen and helium. The second is that Uranus is really cold. Its cloud tops measure 49 K (?224 Â°C), and then it gets warmer inside down to the core, which has a temperature of 5,000 K.