human body

The mouth is also very important part of the body. Without it, you won't be able to eat and feed the body, and keep working in harmony any part of it. The body was build as a team; everything must be in good shape an healthy. Now there are some people who have missed or came to be born with deficiencies; and they countinue to be able to deal with it. There are even outstanding athlets, on the handicapped word of sports. The Lord created it, for every body to use it, once in a live time; and them get reed of it.

according to me its heart which comes after brain

I feel lungs and heart are very important but then is digestive system. So it is impossible to tell the most important.

The heart pumps blood to all other organs with out it we will surely die.

being able to hear and breathe is also important.

no, brain is the most important . without brain u would be like a vegatable...