What prevents loss of water from the body and keeps out microorganisms?

What prevents loss of water from the body and keeps out microorganisms?

  • Correct Answer: the skin'
  • sweat
  • muscles
  • hydration

Explanation: The skin prevents loss of water from the body and keeps out microorganisms. Melanin in the epidermis protects the dermis from damaging ultraviolet light. By dilating or contracting its blood vessels and releasing sweat, skin helps maintain a constant body temperature.

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