The heart is a pump, and the blood goes round, and round, and round all the time. And why does it do that? Why can't it just have a rest? Well, the blood has to be kept moving around all the time ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system consists of three independent systems that work together: the heart ...

Reference Article: Facts about the human circulatory system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system, also known ...

The circulatory system is responsible for the delivery of blood, and therefore glucose in the blood, round the body. The different complications of diabetes are a consequence of damage to blood ...

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 ...

When you're dreaming, time becomes fluid. The steady, firmly ingrained progression of seconds, minutes, and hours breaks from its linear, unilateral form to allow for drastic changes in magnitude and ...