Mature human red blood cells have no nucleus. What advantage does this give them?

More room for haemoglobin, so each cell carries more oxygenCorrect answerYour answerThey can divide faster to replace lost bloodCorrect answerYour answerThey can make antibodies against germsCorrect answerYour answerThey live for many yearsCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

Losing the nucleus leaves more space inside for haemoglobin, the oxygen-carrying protein, and gives the cell its flexible biconcave shape.
Without a nucleus they cannot divide and live only about 120 days.

Worth noting

Antibodies are made by white blood cells, not red ones.

Concept: Red blood cells
Typical timeTypical: 90 s
Your timeYours: —

The rule this testsCells and tissues

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Mature human red blood cells have no nucleus. What advantage does this give them?

Explanation