Fact a Day #6

This is a cracker of a fact.

We actually don’t think about it

Our heart pumps about 7000 litres of blood every single day and approximately 2.5 million litres of blood every year.

That’s a lot of blood to pump.

Some sites with extra info:

http://upbeatheartsupport.org.uk/medical_matters/heart_facts.html

http://en.wikipedia.org/wiki/Heart

http://www.webmd.com/heart/picture-of-the-heart

http://kidshealth.org/kid/htbw/heart.html