Rotation is the act of raising the nose of an aircraft (by pulling back slightly on the control yoke or stick) during the take-off roll, so that it leaves the runway. Rotation allows for a precise, positive departure from the runway.
Crenation is the loss of water from an animal cell due to osmosis. Lysis is the rupture of the cell wall due to too much water moving into an animal cell due to osmosis. Both â¦crenation and lysis have drastic effects on the animal cell.
Ovulation Spotting â What are the Causes. There are various reasons why spotting during ovulation occurs. One of the causes is the change in hormones, which results to the weakening of the ovarian follicleâs surface. When this area weakens, a hole tends to form and allows for the egg to pass through.