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.
Pins and needles usually happen when weight applied to a part of the body cuts off the blood supply to the nerves in that area. For example, kneeling often causes pins and needles by limiting the blood supply to the nerves in your lower legs.