Hemoglobin (HGB) is the main constituent of red blood cells, which convey oxygen and carbon dioxide from the tissues to the lungs. The level of this indicator depends on the age and gender of the patient, and it can also change during the day. The Hemoglobin content usually is higher in men than in women. With a lack of Hemoglobin, a person experiences oxygen starvation, which leads to a deterioration in his condition. Dizziness, drowsiness, and general weakness may indicate a decrease in Hemoglobin. Perhaps a physiological reduction in the Hemoglobin concentration in children in the first year of life.
A decrease in Hemoglobin is observed with blood loss, various types of anaemia, violations of the formation of red blood cells, or with their accelerated destruction. Conversely, an increase in Hemoglobin can be due to physical exertion, smoking, and people living in mountainous areas and with certain diseases.
Iron is an essential component of Hemoglobin. Hemoglobin synthesis begins in proerythroblasts and progresses to the reticulocyte phase of red blood cells. Therefore, when reticulocytes leave the bone marrow to enter the bloodstream, they form traces of Hemoglobin until they become mature red blood cells.
Simple steps in the formation of Hemoglobin :
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Oxygen
Blood
Lungs
Metabolism
Mammals
Red Blood Cells
Aerobic Respiration
Digestion
Enzyme
Coupling
Nutritious
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