Doing these things keeps your blood flowing well through your circulatory system, which is key to staying ... In this activity you will model what happens to blood flow when coronary heart disease ...

The Curious Crew gets pumped exploring the circulatory ... system! Dr. Rob uses balloon valves and tennis balls to explain how the heart pumps blood throughout the body and has the Curious Crew ...

In the 2nd century, the Greek physician and philosopher Galen of Pergamon came up with a believable model for the circulatory system. He rightly recognized that the system involves venous (dark ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

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 ...

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...