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My trip to the science museum made me realise that the brain is the vitial organ of the body. The brain does everything to the body. The brain allows the body to so many things, allowing us to sleep, dream, drink, eat, walk ect. The brain has so many functions and feactures, it is essential to the human body. It allows us to remeber things from the past, you are the sum of your experince. Your memory fashions your identity. Each memory you is held within the changing network of nerve cells in your brain. Somtimes, tragically, you cannot remember. Sometimes the tradgey is that you cannot forget. Science examines the making of memory, and its loss