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.
Cheerleading is very closely associated with American football and basketball. Sports such as association football (soccer), ice hockey, volleyball, baseball, and wrestling will sometimes sponsor cheerleading squads.