Which are characteristics of the integumentary system? Select two options.Skin’s outer layer has living cells.Hair helps regulate temperature.Oil glands produce sweat and oil.Nails protect nerves.Hair stays on the head for two months.

Hair helps regulate body temperature by providing insulation. Nails protect the sensitive ends of the fingers and toes, including the tissues with nerve endings beneath them. The outermost skin cells are dead, oil glands produce oil rather than sweat, and scalp hair typically remains for much longer than two months.

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