Heart is one of the most important organs of human body or any animal body. We all relate our feelings and emotions to our heart. Heart is considered to be the birth place and home place of love and emotions. But do you know there are a lot of surprising facts about heart. Here they are. Scroll down to see some astonishing facts about heart which could make you feel astonished.
When the body is at rest, it takes only six seconds for the blood to go from the heart to the lungs and back, only eight seconds for it to go the brain and back, and only 16 seconds for it to reach the toes and travel all the way back to the heart.
On December 3, 1967, Dr. Christiaan Barnard (1922-2001) of South Africa transplanted a human heart into the body of Louis Washansky. Although the recipient lived only 18 days, it is considered the first successful heart transplant.
There are a lot of facts of human heart which we do not know. We all know some common facts about heart like the size of a person's heart will be about the size of his fist. But many of us do not know many more exciting facts about human heart like "In a person's lifetime, the heart will pump nearly 1.5 million barrels of blood, which is enough to fill 200 train tank cars.", etc. See all these facts and be excited.
In 1929, German surgeon Werner Forssmann (1904-1979) examined the inside of his own heart by threading a catheter into his arm vein and pushing it 20 inches and into his heart, inventing cardiac catheterization, a now common procedure.
Cocaine affects the heart's electrical activity and causes spasm of the arteries, which can lead to a heart attack or stroke, even in healthy people.
Prolonged lack of sleep can cause irregular jumping heartbeats called premature ventricular contractions (PVCs).
The heart pumps oxygenated blood through the aorta (the largest artery) at about 1 mile (1.6 km) per hour.
A newborn baby has about one cup of blood in circulation. An adult human has about four to five quarts which the heart pumps to all the tissues and to and from the lungs in about one minute while beating 75 times.
The human heart is not on the left-hand side of the body; it's in the middle.
The heart begins beating at four weeks after conception and does not stop until death.
The power output of the heart ranges from 1-5 watts.
The heart does the most physical work of any muscle during a lifetime.
Five percent of blood supplies the heart, 15-20% goes to the brain and central nervous system, and 22% goes to the kidneys.
During an average lifetime, the heart will pump nearly 1.5 million barrels of blood—enough to fill 200 train tank cars.
The heart pumps blood to almost all of the body's 75 trillion cells. Only the corneas receive no blood supply.
The fetal heart rate is approximately twice as fast as an adult's, at about 150 beats per minute.
Heart has its own electrical impulse, it can continue to beat even when separated from the body, as long as it has an adequate supply of oxygen.
Every day, the heart creates enough energy to drive a truck 20 miles. In a lifetime, that is equivalent to driving to the moon and back.
The volume of blood pumped by the heart can vary over a wide range, from five to 30 liters per minute.
A kitchen faucet would need to be turned on all the way for at least 45 years to equal the amount of blood pumped by the heart in an average lifetime.
Though weighing only 11 ounces on average, a healthy heart pumps 2,000 gallons of blood through 60,000 miles of blood vessels each day.
The average adult heart beats 72 times a minute; 100,000 times a day; 3,600,000 times a year; and 2.5 billion times during a lifetime.
Any sudden emotional event can trigger broken heart syndrome, also called stress-induced cardiomyopathy, or takotsubo cardiomyopathy.
Sadness As a Kid Can Hurt Your Heart Years Later.
Your Feet Can Signal an Impending Heart Problem. When your heart starts to fail, your body retains water, causing swelling in your legs and feet.
Symptoms of Heart attack include heartburn-like tightness in the chest, shortness of breath, nausea, or pain in the jaw or arm.
Though you have only 6 quarts of blood in your body, during the average lifetime, your heart will pump about 1 million barrels of the blood.
If you stretched out all your blood vessels, they'd extend more than 60,000 miles long and wrap around the world more than twice.
Your Heart Isn't Located Where You Think, not at the leftside of your chest. Your heart actually rests in the center of your chest, right below your sternum. It's just tilted slightly to the left.
Your Heart Is Lightning Fast. One cardiac cycle—the contacting and relaxing of your heart muscle, or what we think of as a beat—takes about 0.8 seconds.
Too Much Booze Hurts Your Heart. While two glasses of wine helps your heart, binge drinking regularly places your heart in peril.
Laughter Is Good For Your Heart. Laughter balances your stress hormones, reduces inflammation in your arteries, and increases HDL or good cholesterol.
Men who have sex twice a week or more appear less likely to develop heart disease than those get busy once a month or less, according to a study in the American Journal of Cardiology.
Erectile dysfunction serves as an early red-flag for heart problems. That's because the tiny blood vessels in the penis can sustain damage before larger veins and arteries.
Your heart is about the size of two fists and weighs 10 ounces
Each day, your heart beats about 100,000 times. Over a 70-year lifetime, that adds up to 2.5 billion pulses.