Add Yahoo as a preferred source to see more of our stories on Google. a school age girl with dark brown skin presents a simplified diagram of the human body to a teacher. the diagram depicts various ...

Shows the complete process of sense perception, from physical or chemical stimulus, to its conversion into a nerve impulse, its transmission to the brain and its perception there.

Your anatomy operates like a machine, it's success hinging on the work of over 70 organs, each with a unique function. From the heart's blood-pumping ability to the liver's filtering power, each ...

Your organs are constantly talking to each other in ways we’re only beginning to understand. Tapping into these communication networks is opening up radical new ways to boost health ...