Nature & science · Age 9 · Digestion, Teeth & Excretion
Digestive Functions Deep Dive – How Organs Work Together
Explore how the digestive organs work together as a system to fully process food.
Module
Digestion, Teeth & Excretion
Age
Age 9
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Why does the stomach produce acid?
Question 2
Multiple choice
The small intestine has tiny finger-like structures called villi. Why are these useful?
Question 3
Multiple choice
What would happen if the large intestine could not absorb water from food waste?
Question 4
True or false
Digestion is only a chemical process – no physical movement or chewing is involved.
Question 5
Matching
Match each digestive organ to what it adds or removes from food.
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Digestive Organs – Know Your System
The Eggshell Experiment – Testing How Drinks Affect Teeth
Why We Chew – Mechanical vs Chemical Digestion
Science of the Experiment – Planning and Drawing Conclusions
Nutrients and Waste – What the Body Keeps and Removes
Tooth Decay – How Cavities Form and How to Prevent Them