THE HUMAN HEART
Did you know that the human heart beats about 100,000 times a day, 35 million times a year, and two and a half billion times in an average lifetime?
Did you know that, on any given day, your heart beats roughly 100,000 times and your blood travels about 12,000 miles as it circulates throughout your body?
Did you know the average heart pumps more that a gallon of blood a minute?
Did you know a kid’s heart is about the size of a fist… and an adult’s heart is the size of two fists?
Here is a great collection of links from “Education World” all about the human heart. You’ll learn how the heart works, take an interactive tour of the heart, learn about the heart’s electrical system, blood flow and blood supply, see some amazing videos, and much more.
CLICK HERE then follow the links!