Multiple choice general knowledge science & technology

From where does the blood get its colour from?

  1. Haemoglobin

  2. Plasma

  3. Platelets

  4. Capillaries
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A Correct answer
Explanation

Hemoglobin is the red pigment in red blood cells that gives blood its characteristic red color. It contains iron and binds oxygen for transport. Plasma is actually pale yellow, platelets are cell fragments, and capillaries are tiny blood vessels - none provide the color.

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