And through those blood ... human could lose 65% of their liver and ultimately be no worse for wear, since it would grow back over just a few months! So when you think about it, your body is ...

And your white blood cells are like police looking for germs. There's a lot going on inside you! Blood transports materials around the body and protects against disease. It contains: ...

The blood-brain barrier provides a good example ... for 60% of glucose utilization (or 20% of the energy needs of the human body in the resting state). However, most remaining cell types in ...

But let's break that down. By the time I finish reading this sentence, 20 million new cells have just been replaced in your body. 20 million, in just a few seconds. Compound that over a lifetime ...

Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream ...

The heart is the engine of the human body, tirelessly pumping blood to sustain life. Its health is crucial for overall ...