RBCs is also known as _____.
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erythrocytes
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leucocytes
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thrombocytes
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plasma
A
Correct answer
Explanation
Erythrocytes is the scientific name for red blood cells (RBCs), derived from Greek 'erythros' (red) and 'kytos' (cell). Leucocytes are white blood cells, thrombocytes are platelets, and plasma is the liquid portion of blood. RBCs contain hemoglobin and transport oxygen throughout the body.