3 Questions
Explain the process of erythrocyte formation in adults and the unique characteristics of these cells.
Erythrocytes are formed in the red bone marrow in adults. They are devoid of nucleus in most mammals and are biconcave in shape. They contain haemoglobin, an iron-containing complex protein that gives them their red colour and name.
How does haemoglobin play a significant role in the transport of respiratory gases and what is its normal concentration in healthy individuals?
Haemoglobin molecules play a significant role in the transport of respiratory gases. They combine with oxygen in the lungs and carry it to the tissues, and then combine with carbon dioxide in the tissues and carry it back to the lungs to be exhaled. A healthy individual has 12-16 gms of haemoglobin in every 100 ml of blood.
What is the average lifespan of erythrocytes and where do they go after they are destroyed?
Erythrocytes have an average lifespan of 120 days. After they are destroyed, they go to the spleen, which is known as the "graveyard of RBCs."
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