heart health center
Heart-Smart Quiz
Your life depends on it, but how much do you really know about your heart? Answer these six questions to find out!

1)  If you took all the blood vessels in an average child and laid them end to end, they would stretch more than 60,000 miles—more than twice the distance around the earth. The average adult's vessels would go:
 a) Once around the earth
 b) More than twice around the earth
 c) More than four times around the earth
 d) More than six times around the earth

Submit Answer

Picture(s): DCI |

SUBSCRIBE TO OUR NEWSLETTERS

Discovery Channel | TLC | Animal Planet | Discovery Health | Science Channel | Planet Green
Discovery Kids | Military Channel | Investigation Discovery | HD Theater | Turbo | FitTV

HowStuffWorks | TreeHugger | Petfinder | PetVideo | Discovery Education

Visit the Discovery Store: Toys & Games | Telescopes | DVD Sets | Planet Earth DVD | Gift Ideas

By visiting this site, you agree to the terms and conditions
of our Visitor Agreement. Please read. Privacy Policy.
ATTENTION! We recently updated our privacy policy. The changes are effective as of September 10, 2008.
To see the new policy, click here. Questions? See the policy for the contact information.

Copyright © 2009 Discovery Communications, LLC.

The leading global real-world media and entertainment company.

 
Advertisement

Sponsored Links
newsletter