Respiratory+System+Notes+CH

=__**NOTES**__= Cellular respiration

Food (glucose) + Oxygen gas yields--> release energy; waste bi-products are Carbon dioxide and water

Process occurs in all of your cells (trillions of cells are in your body)

Fermentation Food-->little energy; waste: carbon dioxide and lactic acid

Respiratory System: helps you breath in and out, so oxygen can be pumped through your entire body and carbon dioxide can be taken out of the blood stream.

Pathway: nose, pharynx, trachea or esophagus, lungs, bronchus, and the air sac: alveoli, which creates gas exchange and blood.

400,000,000 alveoli (look like a bunch of grapes (100 m^2 of surface)

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