Human Blood Cells Quiz
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Questions and Answers

What is the primary function of hemoglobin in erythrocytes?

  • Acting as an immune response agent
  • Providing structural support to the cell
  • Transporting respiratory gases (correct)
  • Regulating blood pressure

    • What is the average lifespan of erythrocytes in the human body?

  • 120 days (correct)
  • 60 days
  • 30 days
  • 90 days

    • Which characteristic differentiates leucocytes from erythrocytes?

  • Leucocytes have a biconcave shape
  • Leucocytes form in the spleen
  • Leucocytes contain hemoglobin
  • Leucocytes are colorless and nucleated (correct)

    • How many red blood cells (RBCs) are typically found in a healthy adult male per mm³ of blood?

    <p>5 to 5.5 million</p> Signup and view all the answers

    What component mainly gives erythrocytes their red color?

    <p>Iron-containing hemoglobin</p> Signup and view all the answers

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