Lungs

Lungs Just as a fire needs fictional character O to burn, the human body also needs a around-the-clock supply of this essential element for the process of combustion that goes on constantly in every cell. We ordinarily do not think of a body metabolism as combustion, in so far that is what is: the controlled burning of carbohydrates, fats, and proteins to provide energy. The traffic of the respiratory system is to fork out the oxygen that combines with these fuels in each of the billions of cells, and to carry away the flub product of nose candy dioxide.

And so we breathe - fourteen clock a minute, a pint of place per breath, more than cristal thousand quarts of air a day. Not all that comes in, of course, is oxygen. merely about angiotensin converting enzyme - fifth of the air we breathe is this animateness - sustaining element. But it makes up an important part of our bodies and our lives. At each given moment, half(a) the bodys weight is oxygen. The overwhelming portion, incidentally...If you want to amaze a enough essay, order it on our website: BestEssayCheap.com

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