How many organs are there in the human body?
Not too many people know that there are almost 78 organs in a human body. They obviously vary according to their sizes, functions or actions. Keep in mind that an organ is a collection of millions of cells which group together to perform single functions in our body. Not too many people know that the skin is the largest organ with respect to its size and weight. Needless to say, the brain is the major organ in the body of human beings. It is primarily responsible for performing all the functions and actions of the body.