Scientists produced 3-D looks at shark’s guts. By Veronique Greenwood The inside of a shark is full of curiosities, starting with rows of hardworking teeth that can be replaced by fresh ones ...
This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...
The intestines work by absorbing nutrients and vitamins. They are part of the gastrointestinal (GI) tract. Together, the small and large intestines run from the end of the stomach to the anus. In this ...
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