Illustration of carbonic acid molecules. Human blood contains a buffering system of carbonic acid and bicarbonate anions to keep the blood pH levels between 7.35 and 7.45. Maintaining a constant blood pH is crucial for the proper functioning of the body. Atoms are shown as colour-coded spheres: hydrogen (white), carbon (grey), oxygen (red).
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TPG35296886
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達志影像
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RF
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