Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...
Exposure to high levels of the body’s primary stress hormone – cortisol – in preterm fetuses can disrupt normal heart development, potentially increasing the risk of cardiovascular disease in later ...
Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...
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