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Questions and Answers
What is the normal hemoglobin range for adult males?
What is the normal hemoglobin range for adult males?
Where are old red blood cells removed from circulation and destroyed?
Where are old red blood cells removed from circulation and destroyed?
What is the main component of hemoglobin that can combine reversibly with one oxygen molecule?
What is the main component of hemoglobin that can combine reversibly with one oxygen molecule?
What is the fate of non-iron heme after the breakdown of red blood cells?
What is the fate of non-iron heme after the breakdown of red blood cells?
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What percentage of total carbon dioxide does hemoglobin transport?
What percentage of total carbon dioxide does hemoglobin transport?
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What is the main function of the heme group in hemoglobin?
What is the main function of the heme group in hemoglobin?
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What is the fate of non-iron heme after the breakdown of red blood cells?
What is the fate of non-iron heme after the breakdown of red blood cells?
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What is the lifespan of red blood cells (erythrocytes)?
What is the lifespan of red blood cells (erythrocytes)?
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What is the normal hemoglobin range for adult females?
What is the normal hemoglobin range for adult females?
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What component of hemoglobin is responsible for transporting 23% of total carbon dioxide?
What component of hemoglobin is responsible for transporting 23% of total carbon dioxide?
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Study Notes
Functions of Blood
- Transportation of waste products from cells for elimination
- Transportation of hormones
- Regulation of body temperature by distributing heat
- Regulation of pH by carrying buffers
- Regulation of fluid volume
- Protection by preventing blood loss through clotting
- Protection by preventing infection with WBCs and antibodies
Components of Blood
- Blood plasma: a water liquid extracellular matrix consisting of 91.5% water and 8.5% solutes (primarily proteins)
- Formed elements: cells and cell fragments
Formed Elements of Blood
- Red blood cells (erythrocytes): contain oxygen-carrying protein hemoglobin
- Production of RBCs: at least 2 million new RBCs are produced per second to replace destroyed ones
- Biconcave disc shape: increases surface area
- Strong, flexible plasma membrane: glycolipids in the plasma membrane are responsible for ABO and Rh blood groups
- Lack of nucleus and other organelles: no mitochondria, doesn't use oxygen
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Description
Test your knowledge of the physiology of blood with this quiz. Explore the functions of blood including transportation of nutrients, waste elimination, regulation of body temperature and pH, as well as its role in protection against blood loss and infection.
