The heart is a pump, and the blood goes round, and round, and round all the time. And why does it do that? Why can't it just have a rest? Well, the blood has to be kept moving around all the time ...
Jupiter’s Wild Youth May Have Reshaped the Entire Solar System Nov. 13, 2025 Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...
The skin is the body's largest organ and helps protect internal organs from harm. Hair helps protect the skin, regulates body temperature, and is part of the body's sensory system. Sweat glands help ...
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