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.
A: Humans breathe approximately 432 liters of oxygen per day, and that oxygen helps the tissues in the human body function properly. The body needs approximately 352.8 liters of oxygen per day when the body is at rest. Humans need oxygen to provide nutrients to all of the cells in their bodies.