Skip Channel4 main Navigation
CHANNEL4
FILM4
MORE4
E4
4MUSIC
C4 BLOGS
Parental Control
HOME
TV LISTINGS
PROGRAMMES
WATCH 4oD
Search
Explore
Channel4
Food
Homes
Film
4Car
News
See All
HOME
PLAY THE QUIZ
ABOUT THE SHOW
SCORE: 0
DEADLY KNOWLEDGE QUIZ
1.
In 1839, the bakery of Robert McVitie in Scotland saw the invention of the digestive biscuit. But which organ in the body produces the digestive substance 'bile'?
Liver
Kidneys
Stomach
Large intestine
Email a friend
> Programme notes
Online resources to support Channel 4's learning programmes
> Websites
Curriculum-based activities and games
> TV Listings
Full listings for Channel 4 programmes