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"Every patient teaches you something new and important."

Diana Mossop

About The Human Heart

The information on this page is about the human heart and where applicable other body parts that are associated or related to the heart.


The heart is a pumping system which intakes deoxygenated blood through the veins, delivering it to the lungs for oxygenation and then pumping it into the various arteries to be transmitted to where it is needed throughout the body for energy. The heart is about the size of a fist but delivers a more powerful punch. Luckily for us, it contains a buffer zone to decrease its force or we would be shaken by every beat. This buffer zone also protects the heart from outside injury and keeps it from scraping against the chest wall. In some instances, nightmares can seem so real that the heart will pound in fear. In one study, the heart rate of the sleeper was timed at 150 beats per minute. Myth has it that the heart is the seat of the emotions, but it is, instead, a pump to circulate the blood throughout the body and only contributes to the emotions by sending oxygenated blood to our brain cells; so, if you want to gain someone's affection, you may have to ask Cupid to shoot them through the head rather than the heart. An arrow through the heart (or through the head, for that matter) would stop all bodily functions. The Medical Dictionary reports that the heart beats more than 2.5 billion times in an average lifetime. Isn't that "thumping"?


Internally, the heart is divided into four hollow chambers, two on the left and two on the right. The lower chambers, the "ventricles," force blood out of the heart into the arteries to be carried back to the various sites throughout the body. The right ventricle has a much thinner wall than the left ventricle. This chamber pumps blood a fairly short distance to the lungs. The left ventricle, however, must force blood to all other parts of the body against a great flow of resistance, so the walls are stronger.

The information on this website is provided for information purposes only and is not intended or recommended as a substitute for professional medical advice. Always seek the advice of your doctor/physician or other qualified health care provider regarding any medical condition or treatment. Some or all of the information on this page may be supplied by a third-party and not controlled by the DianaMossop.com website or authors and is therefore is not the responsibility of the DianaMossop.com website or its authors.


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