seasidemagazine.ca
First Word with Sue Hodgson -
In the time it takes you to read my column, your heart is pumping about five quarts of blood (that’s 10 pints) through more than 60,000 miles of arteries, veins and capillaries – that’s further than twice around the world. Depending on how long you live, your heart could beat 3,000,000,000 times in your lifetime. Your fist is about the size of your heart. The organ is not heart-shaped at all: it’s more like a cone and weighs about 11 ounces. It’s a muscle sandwiched between two protective layers; inside are four chambers, two on the right side and two …