Tim Allen. This is the latest accepted revision, reviewed on 7 April 2017. For those of the same or a similar name, see Timothy Allen (disambiguation). Timothy Allen Dick (born June 13, 1953), known professionally as Tim Allen, is an American actor, comedian and author.
Not necessarily. Some of the symptoms of low oxygen can be shortness of breath, fast heart rate, changes in the color of the lips and fingernails, but some people will have a low oxygen level without experiencing any of these symptoms. Others may experience these symptoms without having a low oxygen level.
Death By Deprivation. Under relatively normal circumstances, we start struggling after a few minutes without oxygen. Without being able to convert energy and use it up, cells start to die. This happens throughout the entire body, but it is the brainâs lack of oxygen that is most urgent. âThe brain is a highly metabolically active organ,â Tishler said. âIt needs oxygen to generate the energy to function. Without the energy (without oxygen) it dies.â The brain normally takes up about 20 percent of the bodyâs oxygen.