How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
- Home
- Why doesn't stomach acid destroy the stomach?
“The stomach lining is constantly replaced to protect it from its own acid.”
Reference: Cleveland Clinic
More from this shelf
How long is the small intestine?
The small intestine is about 20 feet long.
What does bile do?
The liver makes bile, which helps digest fat.