How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
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- What does bile do?
“The liver makes bile, which helps digest fat.”
Reference: Cleveland Clinic
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Can the liver regrow?
The liver can regenerate. When part of it is donated, both the donor's liver and the transplanted portion can grow back to nearly full size.
Why doesn't stomach acid destroy the stomach?
The stomach lining is constantly replaced to protect it from its own acid.