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Decreased red blood cell concentration in the blood may lead to decreased intensity of red color in a blood sample. Red blood cells are the formed element that gives blood its expected color.

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8y ago
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16y ago

The iron-haem group at the centre of each haemoglobin molecule absorbs light in the blue portion of the spectrum, leaving a red colour.

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15y ago

The iron mixed with oxygen is what makes the blood red. It's the same reason why rusty iron turns orange or red, because of oxidation.

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14y ago

it depends on the amount of oxygen in the blood. if its lighter in color its got more oxygen and vice versa.

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Q: Why is the color of the blood a light red to orange color when they have anemia?
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