a: Blood pressure ~
b: a garden water hose

What: "Blood pressure is like a garden water hose. If you turn on a water hose and point it upwards, how far the water travels tells us how much water pressure there is. If it flies upwards the water pressure is high. If it just falls in front of you then the water pressure is low."

Writer: Not Stated
Where: Reference Link Has Evaporated
Date: Apr 30 2014 6:09 PM

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