In each kidney, there are one million of these structures, called nephrons. The nephron is the basic unit of the kidney. It's a long, thin tube that is closed at one end, has two twisted regions interspaced with a long hairpin loop, ends in a long straight portion and is surrounded by capillaries.ach part of the nephron has different types of cells with different properties -- this is important in understanding how the kidney regulates the composition of the blood.
In cheerleading, stunting is typically a dominant part of the sport in which participants lift each other up through various mediums displaying various skills.This is the person that's lifted into the air during a stunt---the flyer can also be referred to as the top.
Top Definition. ski jump. When a girl is jerking off two guys with a dick in each hand, and suddenly from the woodwork a mystery man comes in from behind and sticks one in her ass. Surprised, she thrusts forward as in a ski jump motion, while still jerking the other two dudes off.