Below mentioned are some interesting health facts one would like to know. You shrink 1/2 an inch during the day due to compression of the spinal column. You’re born with 300 bones, but when you get to be an adult, you only have 206. There are 230 joints in the body. The design of the Eiffel tower is based on the design of human bone. Your skin is the largest organ of the body weighing in at 9 popounds. The average head has 100,000 hair each living for about 2 to 4 years. Fingernails grow four times faster than toenails. The liver is often called the body’s chemical factory. Scientists have counted over 500 liver functions. Only 1% of human genes differ from those of chimpanzees. The body is composed of 70% water by weight.