For other uses, see Kidney (disambiguation). The kidneys are two bean-shaped organs found on the left and right sides of the body in vertebrates. They filter the blood in order to make urine, to release and retain water, and to remove waste (The excretory system). They also control the ion concentrations and acid-base balance of the blood. Each kidney feeds urine into the bladder by means of a tube known as the ureter.
The shirt was worn under the Justaucorps in the 18th century. A dress shirt, button shirt, button-front, button-front shirt, or button-up shirt is a garment with a collar and a full-length opening at the front, which is fastened using buttons or shirt studs. A button-down or button-down shirt is a dress shirt which has a button-down collar â a collar having the ends fastened to the shirt with buttons.
T-shirt day in Leipzig. A T-shirt (or tee shirt, or tee) is a style of fabric shirt, named after the T shape of the body and sleeves. It is normally associated with short sleeves, a round neck line known as a crew neck, and no collar.nother less popular trend is wearing a short-sleeved T-shirt of a contrasting color over a long-sleeved T-shirt, which is known as layering. T-shirts that are tight to the body are called fitted, tailored or baby doll T-shirts.