This is a story about you. A story about the inside of your body... According to a new study, the human body is made up of approximately 37 trillion cells. These cells work hard every day in a world that is your body. From the red blood cells that transport oxygen to the white blood cells that fight bacteria, get to know the unappreciated heroes and the drama that unfolds within you! It is the strangely relatable and interesting story that is the life of cells!