What is the role of blood in the breathing process?
| July 24, 2021 | education
The blood transports carbon dioxide (CO2) to the respiratory organs, is freed from it and saturated with oxygen (O2), transferring it to all organs and tissues throughout the body.
The substance with which oxygen enters into a chemical bond is hemoglobin (a blood protein containing iron). In this case, hemoglobin is converted into oxyhemoglobin. In tissues, oxyhemoglobin, which is an unstable compound, releases oxygen into the plasma. Further, the dissolved oxygen passes into the tissue fluid and from there into the cell.
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