Add Yahoo as a preferred source to see more of our stories on Google. An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing ...

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 ...

The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens. A ...

Five vital organs are essential for life, but survival is more medically complex.

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

The development and eventual approval of modern drugs is hugely reliant on animal models and human clinical trials, but for some time now scientists have been working on an alternative and more ...

Like a highway system, the vagus nerve branches profusely from your brain through your organs to marshal bodily functions, including aspects of mind such as mood, pleasure and fear. It is late at ...

You might celebrate one birthday each year, but inside your body, different organs are marching to their own biological drums. That number on your driver’s license? It’s just a rough average that ...