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All About Oxygen

Oxygen makes up about 65% of the mass of the adult body—most of this is in the form of water.

Oxygen also makes up approximately 50% of the mass of the Earth’s crust and 21% of the atmosphere (air)—the rest of the atmosphere is mostly nitrogen (78%). The Earth is the only planet in the solar system with a high percentage of oxygen.

Oxygen Characteristics:

Oxygen is critical for chemical reactions that keep the body alive, including the reactions that produce adenosine triphosphate (ATP) —the molecule used for energy. Brain cells are sensitive to a lack of oxygen because of their demand for a high-and-steady production of ATP.

Brain damage is likely within five minutes without oxygen (cerebral hypoxia, and death is likely within ten minutes. A steady supply of oxygen is indispensable for cardiac function and viability.

According to the US National Library of Medicine Open Chemistry Database https://pubchem.ncbi.nlm.nih.gov/compound/977

An adult human, at rest, inhales 1.8 to 2.4 grams of oxygen per minute. This amounts to more than 6 billion tonnes of oxygen inhaled by humanity per year.

At a resting pulse rate, the heart consumes approximately 8-15 ml O2/min/100 g tissue. This is significantly more than that consumed by the brain (approximately 3 ml O2/min/100 g tissue) and can increase to more than 70 ml O2/min/100 g myocardial tissue during vigorous exercise.

The molecular formula for oxygen is O~2~, which represents the chemical bonding of two oxygen atoms.

 

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NEW YORK OFFICE

1463 Fifth Avenue,

Suite #100 1st Floor,

New York, NY 10035

Phone. 888.886.1167

Email. info@standardmed.us

FLORIDA OFFICE

4331 Veronica S. Shoemaker Blvd.,

Fort Myers, FL 33916

Phone. 888.886.1167

Email. info@standardmed.us

MARYLAND OFFICE

8115 Maple Lawn Blvd.,

Suite #350 3rd Floor,

Fulton, MD 20759

Phone. 888.886.1167

Email. info@standardmed.us

Standard Medical Equipment Systems, LLC, Hospital Supplies, Fulton, MD