Your stomach produces up to 2 L
(4.2 pt) of hydrochloric acid a
It does not damage the
stomach walls because 500,000
celIs in your stomach lining are
replaced every minute.
The small intestine is about 5 m
(16.4 ft) long.
The Large intestine is thicker, but only
about 1.5 m (4.9 ft) long.