MOUTH & TEETH ANATOMY. Overview. While the mouth is a small part of our overall anatomy, itâs filled with many parts and players, all of which work together to help you eat, drink, speak and have a radiant smile. The key players are incisors, canines, premolars, molars, crowns, gum line, root, enamel, dentin and pulp.
Definition of Life support. Life support: 1. A therapy or device designed to preserve someone's life when an essential bodily system is not doing so. Life support may, for example, involve enteric feeding (by a tube), total parenteral nutrition, mechanical ventilation, a pacemaker, defibrillator, heart/lung machine, or dialysis. 2. Something that sustains life, as in The earth is the ultimate life support system.. 3.
In human spaceflight, the life support system is a group of devices that allow a human being to survive in outer space. NASA often uses the phrase Environmental Control and Life Support System or the acronym ECLSS when describing these systems for its human spaceflight missions.