Faithlife Sermons


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The average human heart pumps over 1,000 gallons a day, over 55 million gallons in a lifetime.  This is enough to fill 13 super tankers. It never sleeps, beating 2.5 billion times in a lifetime.

            The lungs contain 1,000 miles of capillaries.  The process of exchanging oxygen for carbon dioxide is so complicated that Dr. John Medina, genetic engineer, University of Washington, says, “It is more difficult to exchange 02 for CO2 than for a man shot out of a cannon to carve the Lord’s Prayer on the head of a pin as he passes by.”

            DNA contains about 2,000 genes per chromosome – 1.8 meters of DNA are folded into each cell nucleus.  A nucleus is 6 microns long.  This is like putting 30 miles of fishing line into a cherry pit.  And it isn’t simply stuffed in.  It is folded in.  If folded one way, the cell becomes a skin cell.  If another way, a liver cell, and so forth.  To write out the information in one cell would take 300 volumes, each volume 500 pages thick.  The human body contains enough DNA that if it were stretched out, it would circle the sun 260 times.

            The body uses energy efficiently.  If an average adult rides a bike for 1 hour at 10 mph, it uses the amount of energy contained in 3 ounces of carbohydrate.  If a car were this efficient with gasoline, it would get 900 miles to the gallon. - Dr. John Medina, genetic engineer, University of Washington in 1995 lecture at Multnomah Bible College, Portland, Oregon

Leadership, Spring, 2000, page 73

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