SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Red Blood Cells
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Blue Blood Cells
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Platelets
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White Blood Cells
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Detailed explanation-1: -Human blood is red because hemoglobin, which is carried in the blood and functions to transport oxygen, is iron-rich and red in color. Octopuses and horseshoe crabs have blue blood. This is because the protein transporting oxygen in their blood, hemocyanin, is actually blue.
Detailed explanation-2: -Some types of octopus, squid, and crustaceans have blue blood. Their blood contains a high concentration of copper. When copper mixes with oxygen, it gives their blood its blue color. Blue and red are not the only possible colors of blood-some animals bleed green.
Detailed explanation-3: -As WBCs, RBCs and platelets are components of blood therefore the correct option of the given question is (D) hepatocytes which are not a component of blood.
Detailed explanation-4: -Crustaceans, squid, and octopuses have a blood color of blue.