The kidneys are a pair of organs on either side of the spine in the lower abdomen. Each kidney is about the size of a fist. Attached to the top of each kidney is an adrenal gland. A mass of fatty tissue and an outer layer of fibrous tissue (Gerota's fascia) enclose the kidneys and adrenal glands.
A roll of duct tape. A roll of duct tape. The definition of a roll is something that's been coiled or twisted into a cylinder. An example of a roll is duct tape.
1 Rolling is a combination of translational and rotational motion. 2  When an object experiences pure translational motion, all of its pointsâ¦. 3  move with the same velocity as the center of mass; that isâ¦. 4  in the same direction and. 5  with the same speed (v = vcm).