Latest Human heart Stories
To develop correctly, baby hearts need rhythm…even before they have blood to pump.
Hibernating, it turns out, is much more complicated than one might think.
Scientists at the Gladstone Institute of Cardiovascular Disease (GICD) have traced the evolution of the four-chambered human heart to a common genetic factor linked to the development of hearts in turtles and other reptiles.
The heart is a part of the circulatory system, and is considered one of the most vital organs of the human body. It is about the size of a fist, has a mass of approximately 300 grams, and its main function is to contract and produce enough pressure to circulate blood throughout the body. The top of the heart where the veins and arteries all connect is called the base. The pointed lower tip of the heart is called the apex. The coronary sulcus is a deep groove that runs horizontally across the...
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