All of the blood in your body travels through your heart once a minute.

Likes

More Like Science

Cool things about our bodies…

Learn more about this super important climate event…

Ready for a night time adventure? Then 3, 2, 1… Liftoff!

Asparagus and wee with Dr Karl…

You’re leaving natgeokids.com
to visit another website!

Ask a parent or guardian to check it out first and remember to stay safe online.

You're leaving our kids' pages to visit a page for grown-ups!

Be sure to check if your parent or guardian is okay with this first.