Largest body parts

Rank	Body part
1	Skin - 15% of your body weight, weighing about 10 pounds, covering about 22 sq feet/2sq metre
2	Skeleton (206 bones) - about 14% of body weight, average 20 pounds/9kg
3	Liver - average 3.5 pounds/1.5 kg
4	Brains - average 3 pounds/1,4 kg
5	Sartorius muscle in the thigh
6	Lungs - 8 oz/234 g

Approximately 70% of your body consists of water.