The food tube from mouth to anus is about how long in a person?
A9 centimetres
B90 centimetres
C9 metres
D90 metres
Answer & Solution
Correct answer: C. 9 metres
The tube from the mouth to the anus is long and coiled, about nine metres.
Keep practising Food and Digestion
Browse all Food and Digestion questions for Olympiad (Class 4), or explore more Science topics.
Related questions
A child has 20 baby teeth, split equally between upper and lower jaws. How many are in theWhat causes the gum disease gingivitis?What are the roots of our teeth covered by?A shark grows a new set of teeth every two weeks. How many new sets does it grow in six weA rat gnaws all day, yet its front teeth never wear out. Why?At about what age do a baby's first teeth normally start to appear?Why does a lion have long pointed canine teeth?A cow eats grass all day. Which teeth does it have many of for chewing and grinding?