The human heart creates enough pressure to squirt blood up to 30 feet.
Why it is true
When the left ventricle contracts, it pumps blood out to the entire body with enough force that, if unobstructed, it would shoot out of the body in a long arc.
Source: Cardiology
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.