GK: Where is the skin thickest in the human body? Click here to know the answer

 | 
as

Question 1: Where is the skin thickest in the human body? 

Answer: Palms of the hands and soles of the feet 

as

Question 2: Which is the hardest substance in the human body? 

Answer: Tooth enamel

Question 3: Which one part of the body produces cholesterol?

Answer: Liver

as

Question 4: How many bones are there in human skull?

Answer: Eight