Tuesday, 26 July 2022: Researchers from RCSI University of Medicine and Health Sciences have developed a new lab-based model of a heart and circulatory system that will help test devices to treat ...

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...

Zoe uses CGI graphics to explain the structure of the heart and the difference between veins and arteries. Suitable for teaching science at KS2 and First and Second Level.

The heart is the size of a fist and weighs 0.45kg - the equivalent of about half a bag ofsugar. In an adult of average fitness, it beats around 70 times a minute (at rest) and 100,000 times a day.

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.

The circulatory system is your heart and blood vessels, and it’s essential to keeping your body functioning. This finely tuned system carries oxygen, nutrients, electrolytes, and hormones ...