How My Body Works - Once Upon a Time.. Life - Heart & Breathing (VHS) PAL.
Did you know..
...that your heart never rests?
•that your heart is about the
size of your fist?
..that when you cough the
stream of air leaving your
lungs can reach a speed of
160 kilometres per hour?
..that you take about 20,000
breaths every day?
Find out all about it in
this video of Once Upon
A Time... Life
Tg37-100822f