Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...
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The "second heart" secret: Why your calf muscles are the unsung heroes of cardiovascular longevity
Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart ...
There are many different circulatory system diseases, all of which interrupt the complex process of distributing blood around the body. Examples include atherosclerosis, heart attack, and arrhythmia.
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