• The human body has approximately 37,000 miles of capillaries.
  • The aorta, which is largest artery located in the body, is about the diameter of a garden hose.
  • Women hearts beat faster than men.
  • Three years after a person quits smoking, there chance of having a heart attack is the same as someone who has never smoked before.
  • The human heart weighs less than a pound.
  • The human heart can create enough pressure that it could squirt blood at a distance of thirty feet.
  • The first open heart surgery was performed by Dr. Daniel Hall Williams in 1893.
  • Scientists have discovered that the longer the ring finger is in boys the less chance they have of having a heart attack.
  • The right lung of a human is larger than the left one. This is because of the space and placement of the heart.
  • The human heart beat roughly 35 million times a year.
  • Olive oil can help in lowering cholesterol levels and decreasing the risk of heart complications.
  • In a lifetime, the heart pumps about one million barrels of blood.
  • In 1967, the first successful heart transplant was performed in Cape Town, South Africa.
  • People that suffer from gum disease are twice as likely to have a stroke or heart attack.
  • Most heart attacks occur between the hours of 8 and 9 AM.
  • The human heart beats roughly 35 million times a year. 
  • At one time it was thought that the heart controlled a person’s emotions.
  • Every day 2,700 people die of heart disease.
  • During a typical human life span, the human heart will beat approximately 2.5 billion times.
  • In one day your heart beats 100,000 times.
  • For humans the normal pulse is 70 heartbeats per minute. 
  • Two million red blood cells die every second.
  • There are approximately 100,000 miles of blood vessels in the human body.
  • Seven percent of a human’s body weight is made up of blood.
  • In the early nineteenth century some advertisements claimed that riding the carousel was good for the circulation of blood.
  • Each day 400 gallons of recycled blood are pumped through the kidneys.
  • By donating just one pint of blood, four lives can be saved.
  • Blood is such a good stain that Native Americans used it for paint.
  • The kidneys filter over 400 gallons of blood each day.
  • The average life span of a single red blood cell is 120 days.
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  • Blood accounts for about 8% of a human’s body weight.
  • A woman has approximately 4.5 liters of blood in her body, while men have 5.6 liters.
  • If you could stretch out all of a human’s blood vessels, they would be about 60,000 miles long. That’s enough to go around the world twice.
  • Half your body’s red blood cells are replaced every seven days.
  • If all the blood vessels in your body were laid end to end, they would reach about 60,000 miles.

Physiology and anatomy