'While it's "small" in diameter, about 1 1/2 inches, it's 20 to 25 feet long in your body'
the small intestine
BIOLOGY: While its small in diameter, about 1 1/2 inches, its 20 to 25 feet long in your body
While it's "small" in diameter, about 1 1/2 inches, it's 20 to 25 feet long in your body
While it's "small" in diameter, about 1 1/2 inches, it's 20 to 25 feet long in your body
BIOLOGY
the small intestine
BIOLOGY