An NIH-supported initiative seeks to unravel how the nervous system tracks and regulates the body’s internal organs. How does ...

How does your brain know when you need to breathe, when your blood pressure drops or when you’re fighting an infection? The ...

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.

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

It depends if you count teeth as a group or separately. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Organs are collections of tissues that ...

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 ...