• The youngest child to ever receive a heart transplant was three hours old.

• Kidneys from an adult can be transplanted to an adult - they grow to fit.

• The kidney consists of over one million little tubes. The total length of the tubes in both kidneys runs about 40 miles.

• The average human liver is more than five times the weight of the human heart.

• The body has 70,000 miles of blood vessels. The heart pumps blood through this labyrinth and back again once every minute.

• There are nearly 2,000 kids under 18 on the waiting list for an organ transplant.

• In one year the average human heart circulates from 770,000 to 1.6 million gallons of blood through the body, enough fluid to fill 200 tank cars, each with the ability to hold 8,000 gallons.