Multiple choice

Which of the following statements is incorrect?

  1. Red blood cells are round and biconcave.

  2. Red blood cells lack nucleus.

  3. Red blood cells live for approximately four months.

  4. Red blood cells manufacture the antibodies that fight infection.

  5. Red blood cells are manufactured in the bone marrow.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This statement is incorrect. White blood cells manufacture the antibodies that fight infection. These are also known as the soldiers of the body.

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