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).
Similarly, how many pounds does a child's head weigh?
Average Human Head Weight. Danny Yee. May-June 2006. "An adult human head cut off around vertebra C3, with no hair, weighs somewhere between 4.5 and 5kg, constituting around 8% of the whole body mass."
How much does the average human weight?
The average weight of an adult human is 137 pounds (62 kg) according to a league table of the world's 'fattest' nations from the London School of Hygiene & Tropical Medicine. Find out how you compare to other adults using our interactive graphic.
How do you measure the weight of your own head?
To determine the volume of your head, fill a bathtub up to the rim and carefully immerse yourself in it completely - including your head. Collect the water that spills over the rim and measure its volume. This is the volume of your entire body. Then repeat the exercise, but this time keeping just your head above water.