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 and ...

Add Yahoo as a preferred source to see more of our stories on Google. Nov. 2—(Family Features) Heart health is about more than just the heart itself. It's a two-way street between the heart and the ...

How the human body shuts down after death from the brain to the heart, lungs, liver, kidneys and even tissues and why some organs remain viable for donation long after life ends.

Australian researchers have uncovered a crucial new mechanism that helps explain how the heart's major blood vessels form during early development, and how disruptions to this process can lead to ...