7.02 Biology: The Beginning Of A Blood Cell

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7.02 Biology AUSTIN WHEELER 5/8/17
The Beginning of a Blood Cell
 The blood cell is made in the bone marrow of a bone and then enters a vein and goes toward to superior vena cava. The blood cell joins millions of other blood cells as well as white blood cells and platelets inside of plasma.
Through the Heart
 Once the blood cell gets to the superior vena cava it goes through the right atrium and the right ventricle, then through the pulmonary artery and into the lungs.
The Lungs
 Once the oxygen-depleted cells are in the lungs, they travel into the alveoli where they lose their CO2 and trade it for oxygen. The oxygen is able to stay with the red blood cells because the cell have hemoglobin which is a protein which binds with oxygen.
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