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What type of cell is found in the human body that lacks a nucleus?

  1. Neurons

  2. Red blood cells

  3. White blood cells

  4. Chloroplasts

The correct answer is: Red blood cells

Red blood cells, also known as erythrocytes, are the only type of cell found in the human body that lacks a nucleus. This is because during their maturation process, they expel their nucleus in order to create more room for hemoglobin, the protein that carries oxygen. While neurons, white blood cells, and chloroplasts are all important cells in the human body, they all retain their nucleus and are therefore not the correct answer for this specific question.