Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. There's perhaps no element of the body that captures our imagination more than the heart. We link it ...

Well, the blood has to be kept moving around all the time because it's the body's delivery system. Every possible part of the body has to be supplied with oxygen and food and water, and the veins and ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body. Water ...

The pharmaceutical drug development and approval process is a multi-step undertaking that requires a plethora of testing before reaching the market. Even then, humans respond differently to drugs ...

Quirks and Quarks19:53Our planet’s circulatory system depends on animals eating, excreting and expiring From the tiniest insects to the largest whales, biologist Joe Roman says animals play an ...