T he heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Save guides, add subjects and pick up where you left off with your BBC account. Check your knowledge of the heart and how blood is transported around the body by blood vessels ahead of your Higher ...

The human heart  a fist-sized muscular powerhouse  is one of the most enduring and vital organs in the body. Beating approximately 100,000 ...

Researchers are making ever more sophisticated mini organs in the lab — and now they can grow their own blood vessels. The ...

Diuretics - sometimes called "water pills" - increase the amount of water the body expels. They are taken widely, including for heart failure. In high temperatures, they increase the dangers of ...

A new preclinical study from Monash University has uncovered the role of the female sex hormone estrogen in protecting the ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs ...