Each kidney is about 4 or 5 inches long -- about the size of a fist. The kidneys' function are to filter the blood. All the blood in our bodies passes through the kidneys several times a day. The kidneys remove wastes, control the body's fluid balance, and regulate the balance of electrolytes.
Caffeine by Type of Brewed Coffee. Like all coffee drinks, caffeine levels vary greatly - due to variations in coffee blend, exact amount of ground coffee used, and brewing technique. The value of caffeine in brewed coffee featured above is an average, with values generally between 64 and 272 milligrams per cup. Because brewed coffee requires that the water is in contact with the grinds for a long time, this leads to a higher caffeine concentration (and sometimes an over-extracted taste).
How many mg of caffeine in 100g of coffee? I know 200 - 300 mg of caffeine (2 - 3 cups) is the ok limit, but I need to know how much this equates to.I put a lot into 1 strong cup so I might be reaching the limit with 1 cup.he serving size has 65 mg of caffeine, so you can calculate how much you're getting from that. For example, if you use twice the serving size per cup of coffee you're getting 130 mg of caffeine per cup. Source(s): http://www.verybestcoffee.com/Faqs/Taste... Somebody else Â· 8 years ago.