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The skin.
The largest external organ, which is also the largest organ in general, is the skin.

  • The longest bone in the human body is the femur.
  • The largest artery is the aorta and the largest vein is the inferior vena cava.
  • The largest internal organ is the liver. It is also the heaviest organ, with an average of 1.6 kilograms (3.5 pounds).
  • The longest muscle is the sartorius muscle in the thigh.
  • The longest single nerve is the sciatic nerve in the thigh, counting its branches and axons.
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15y ago

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