SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plasma
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Erythrocytes
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Leucocytes
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Thrombocytes
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Detailed explanation-1: -So, the correct answer is ‘Earthworm’.
Detailed explanation-2: -Hemoglobin and hemoglobin-like molecules are also found in many invertebrates, fungi, and plants.
Detailed explanation-3: -Hemoglobin is contained within erythrocytes and significant amounts of “free hemoglobin” (outside the red blood cell [RBC]) are not normally present in plasma. This free hemoglobin is also called plasma hemoglobin.
Detailed explanation-4: -Some invertebrates also employ hemoglobin in oxygen transport, such as annelid worms, which have the hemoglobin dissolved in the blood, and the larval aquatic stages of a few insects.
Detailed explanation-5: -In earthworms, haemoglobin is the respiratory pigment which carries oxygen to different parts of the body. It is present in the blood plasma.