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How Much Does 1 Drop Of Blood Contain? [Solved]
A drop of blood the size of a pinhead contains approximately 5 million red blood cells (erythrocytes). They are small biconcave disks without a nucleus and get their red colour from an iron-containing protein called hemoglobin.
How much blood is in the human body? | Extraclass
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Testing if Sharks Can Smell a Drop of Blood
… always wanted to test if sharks