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.
Oxygen atoms are present in water (H 2 O) and water is essential to all life. Oxygen and is present in many organic compounds.Most organisms use oxygen for respiration.While oxygen (O 2) is necessary for life, oxygen as ozone (O 3) is highly toxic. On the other hand, ozone is an important component of the atmosphere (the ozone layer) and helps to shield us from harmful ultraviolet rays from the sun.You can use this form to calculate how much oxygen your body contains.azards and risks associated with oxygen: oxygen at high partial pressures causes convulsions, pulmonary changes and teratogenic effects. Oxygen as ozone (O 3), peroxide, or superoxide is highly toxic. Too little oxygen results in asphyxiation.