โ–ธโ–ธ
  • ๐Ÿ‡ฌ๐Ÿ‡ง Oxygen
  • ๐Ÿ‡จ๐Ÿ‡ณ ๆฐง
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Zuurstof
  • ๐Ÿ‡ซ๐Ÿ‡ท Oxygène
  • ๐Ÿ‡ฉ๐Ÿ‡ช Sauerstoff
  • ๐Ÿ‡ฎ๐Ÿ‡ฑ ื—ืžืฆืŸ
  • ๐Ÿ‡ฎ๐Ÿ‡น Ossigeno
  • ๐Ÿ‡ฏ๐Ÿ‡ต ้…ธ็ด 
  • ๐Ÿ‡ต๐Ÿ‡น Oxigênio
  • ๐Ÿ‡ท๐Ÿ‡บ ะšะธัะปะพั€ะพะด
  • ๐Ÿ‡ช๐Ÿ‡ธ Oxi´geno
  • ๐Ÿ‡ธ๐Ÿ‡ช Syre

Oxygen: biological information

Oxygen atoms are present in water (H2O) and water is essential to all life. Oxygen and is present in many organic compounds. Most organisms use oxygen for respiration. While oxygen (O2) is necessary for life, oxygen as ozone (O3) 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.

Levels in humans

The abundances of the elements in humans.

How much oxygen is in your body? Find out here.

You can use this form to calculate how much oxygen your body contains. Enter your weight in either kilograms or pounds and click the "Calculate" button. You must enter a number, not text! Elements for which there are no data will always give a value of zero for the weight, no matter what you put in the weight box.

Calculate how much oxygen is in your body
Enter your weight here: You contain about : grams of oxygen
Image showing periodicity of the logarithm of the abundance of the chemical elements as a heat map on a periodic table grid.
Image showing periodicity of the logarithm of the abundance of the chemical elements as a heat map on a periodic table grid.
Image showing periodicity of the logarithm of the abundance of the chemical elements as a cityscape on a periodic table grid.
Image showing periodicity of the logarithm of the abundance of the chemical elements as a cityscape on a periodic table grid.

Hazards and Risks

Hazards and risks associated with oxygen:

Oxygen at high partial pressures causes convulsions, pulmonary changes and teratogenic effects. Oxygen as ozone (O3), peroxide, or superoxide is highly toxic. Too little oxygen results in asphyxiation. Oxygen-enriched air is a fire hazard because the burning rate of combustible materials is increased.

References