Haemoglobin, a respiratory pigment in red blood cells, has a high affinity for oxygen, facilitating its transport from the lungs to oxygen-deficient tissues.
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Haemoglobin plays a crucial role in human respiration as the primary respiratory pigment in red blood cells. Its main function is to bind with oxygen in the lungs, forming oxyhemoglobin. This allows efficient transport of oxygen from the lungs to tissues throughout the body. Additionally, haemoglobin helps in the uptake of carbon dioxide, forming carbaminohemoglobin, which is transported back to the lungs for elimination. The high affinity of haemoglobin for oxygen ensures effective oxygenation of tissues, facilitating the respiratory process and maintaining the delicate balance of oxygen and carbon dioxide in the bloodstream.