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 ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

The circulatory system is essentially the body infrastructure, providing the route ways for the blood to transport oxygen, nutrients and hormones to and from the cells and organs. The heart plays a ...

Learn about the circulatory system with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

Your body's circulatory system is a wondrous thing. It's made up of blood vessels that carry blood to and from your heart and also pumps blood to your lungs so you can breathe.

The circulatory system includes the heart and blood vessels that carry blood and oxygen around the body. Some circulatory diseases, such as stroke, heart attacks, and aneurysms, are life ...

Circulatory System. 3/11/2019 | 26m 46s Video has Closed Captions | CC. The Curious Crew gets pumped exploring the circulatory system! 03/11/2019 | Rating TV-G ...