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The heart is the size of a fist and weighs 0.45kg - the equivalent of about half a bag ofsugar. In an adult of average fitness, it beats around 70 times a minute (at rest) and 100,000 times a day.

Human circulation. video Human circulation This short film takes us on a journey around the circulatory system using the example ... The human heart. videoThe human heart This short film uses ...

Interactions with friends and family may keep us healthy because they boost our immune system and reduce our risk of diseases such as heart disease, stroke and type 2 diabetes, new research suggests.

Parenting is a 24/7 reality. One of the more foundational lessons presented by parents to their children is surely the concept of the human heart. Looking back, I am amazed how my parents imparted ...

January 24, 2025 New Once Human codes have been added to the list. What are the latest Once Human codes? There are times in all of our gaming lives when we need a little bit of help. Call it a ...

Jan. 24, 2025 — A new study shows that long-read sequencing has the potential to improve the rate of diagnosis while reducing the time to diagnosis from years to days -- in a single test and at ...

7, 2025 — In a large-animal model study, researchers have found that heart attack recovery is aided by injection of heart muscle cell spheroids derived from human induced pluripotent stem cells ...

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The cells were produced from generic human stem cells that could be turned into multiple different cell types. Similar groups of cells had previously been shown to prevent heart failure in ...

This means that blood goes through the heart twice on every loop - so we call it a double circulatory system. This needs to be very efficient because mammals require lots of energy to live.