Biology

Heart, Blood & Blood vessels- Facts

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.

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.

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Biology