Crevasse that separates flowing from stagnant ice at the head of a glacier. Insider information about a climb. An uninsulated, wind-proof bag used to protect a climber from wind or precipitation. Force exerted by the blood against the walls of the blood vessels. The stretching and contraction of these vessels maintain blood flow through the vascular system.
Blood pressure decreases slightly during sleep and increases during exercise.
Snap link, metal loop, or ring that can be snapped into an anchor and through which rope may be passed. They enable a smooth forward glide but impede any backwards slipping. The temperature of the vital organs, including brain, heart, lungs, and intra-abdominal organs. The sharp fang-like points protruding from the front of modern crampons . Typically tied off with webbing.