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Question

Which of the following are longest cell of the human body?

This question was previously asked in
SSC CGL 2017 (Tier 1) Previous Year Paper (16-Aug-2017) (Shift 1)
The correct answer is

Nerve cells

Nerve cells (neurons) are the longest cells in the human body. The axon of a motor neuron running from the lower spinal cord to the muscles of the foot can exceed 1 metre in length, enabling rapid signal transmission over long distances.

Pancreatic, epithelial and epidermal cells are comparatively tiny (microns to tens of microns) and serve secretory or lining functions, not long-distance signalling.

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