Digestion treasure hunt
Explore the human digestive system with our GPS scavenger hunts. Learn through play how food is converted into energy and which organs are involved. A perfect way to bring biology to life!
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Made 2 days ago: Enkhuizen city walk in Enkhuizen
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Featured this week: example questions for Digestion
New example questions from the library every Monday. Updated on 12 October 2026.
What animal swallows stones to help digest?
A crocodile
A cat
A rabbit
A butterfly
What does a chicken do when looking for food?
She picks at the ground
She swims
She climbs trees
She goes to sleep
What sound do some bellies make after eating?
Rummaging
Beep
Calling
Flutes
What do horses eat?
Hay and grass
Fish
Meat
Candy
Where does the food go when you swallow it?
To your belly
To your head
To your feet
To your hands
What does a baby calf drink?
Mum's milk
Water from the tap
Juice from a glass
Nothing
Which animal has a very long tongue?
A giraffe
A mouse
A fish
A bird
What should you drink to stay healthy?
Water
Paint
Petrol
Glue
How long does food take to reach your stomach?
A few seconds
A whole hour
A whole day
A whole week
Through which tube does the food go to your stomach?
The oesophagus
The trachea
The vein
The nerve
Where does food begin its journey through your body?
In your mouth
In your stomach
In your nose
In your ears
What is a farmer?
Air coming out of your mouth
Water coming out of your nose
Food coming out of your ears
Sleep coming out of your eyes
What happens to the good parts of the food?
They go to your body
They go to your head
They fly away
They are discarded
How many times a day do most people eat?
3 times
1 time
10 times
20 times
Why are you eating?
To become big and strong
To sleep
For swimming
To watch TV
Why do you sometimes burp?
There is air in your stomach
You drank too much water
You are tired
You are happy
How many liters of saliva does a person produce on average per day?
1 to 2 liters
5 liters
Half a glass
10 liters
Where is the largest amount of bacteria in your body?
In your gut
In your hair
In your eyes
In your toes
What happens when you chew too little?
Your stomach has to work harder
You become stronger
Your teeth are falling out
You get blue teeth
What happens in the colon?
Water is extracted from the remains
Food is cooked
Food gets frozen
Food is magnified
Why are baby teeth only temporary?
Because your jaw grows and you need stronger teeth
Because they are made of softer material
Because they are meant for milk
Because they wear out on their own
What is the main job of your large intestine?
Absorbing water from the leftover food waste
Making fat for your body
Making blood
Storing oxygen
What is the function of your uvula (the small dangling piece at the back of your mouth)?
It helps prevent food from going up your nose
It produces saliva
It helps with tasting
It makes the sound of your voice
What are nutrients?
Substances from food your body needs
Types of medicines
Types of diseases
Types of toys
What is lactose intolerance?
Inability to digest lactose
Allergy to nuts
Inability to digest gluten
Allergy to eggs
Approximately how many centimetres long is your oesophagus?
25 centimetres
10 centimetres
40 centimetres
5 centimetres
What percentage of body weight is water?
60%
30%
90%
45%
What shape are the folds in your stomach?
Longitudinal ridges
Circles
Zigzag pattern
Square surfaces
Which part of the colon is closest to the small intestine?
Cecum
Colon
Rectum
Sigmoid
What temperature does your body have inside where digestion takes place?
37 degrees Celsius
40 degrees Celsius
35 degrees Celsius
42 degrees Celsius
What teeth do we mainly use to tear up food?
Fangs
Incisors
Choosing
Front teeth
Which organ produces insulin?
Pancreas
Liver
Kidneys
Spleen
Which reflex prevents you from breathing while swallowing?
Epiglottis closes
Tongue moves up
Jaws clench shut
Close nostrils
Which vitamin is produced by bacteria in the colon?
Vitamin K
Vitamin C
Vitamin D
Vitamin A
What bacteria can cause stomach ulcers?
Helicobacter pylori
Escherichia coli
Salmonella
Streptococcus
Where is insulin produced?
Islets of Langerhans
Liver
Stomach
Small intestine
Which part of the nervous system primarily regulates digestion?
Parasympathetic
Sympathicus
Central nervous system
Motor nerves
Where is vitamin B12 absorbed?
Terminal ileum
Duodenum
Jejunum
Stomach
Which enzyme breaks down lactose?
Lactase
Maltase
Sucrase
Amylase
Which muscle prevents food from flowing back from stomach to oesophagus?
Lower oesophageal sphincter
Upper oesophageal sphincter
Pylorus
Anal sphincter
Which muscle controls the passage of food from the stomach to the duodenum?
Musculus sphincter pyloricus
Musculus sphincter cardiacus
Musculus sphincter ani
Musculus sphincter ileocecalis
Which cell fragments help blood clotting and are also affected by vitamin K?
Platelets
Red blood cells
White blood cells
Plasma cells
How many different amino acids are essential for humans and must be ingested through diet?
9
12
6
15
Which substance in bile is formed from the breakdown of red blood cells?
Bilirubin
Cholesterol
Phospholipids
Bile acids
Which part of the small intestine is the longest?
Ileum
Duodenum
Jejunum
Cecum
Which movement helps transport food through the oesophagus to the stomach?
Peristalsis
Segmentation
Pendulum movement
Haustral motion
Which cells in the pancreas produce insulin?
Beta cells in the islets of Langerhans
Alpha cells in the islets of Langerhans
Acinus cells
Ductus cells
How many litres of saliva does an average adult produce per day?
1-1.5 litres
0.2-0.5 litres
2-3 litres
4-5 litres
Which structures increase the surface area of the small intestine the most?
Microvilli
Folds of Kerckring
Small intestines
Peyer's patches
What is the optimal pH for the action of pancreatic amylase?
8-8.5
1.5-2
6-7
4-5
What is the main function of the enzyme enterokinase?
Activation of trypsinogen to trypsin
Breakdown of lactose into glucose and galactose
Emulsification of fats
Synthesis of mucus
Which bacteria are mainly responsible for vitamin K production in the colon?
E. coli and Bacteroides
Lactobacillus and Bifidobacterium
Streptococcus and Staphylococcus
Clostridium and Salmonella
Which substance in saliva has antibacterial properties?
Lysozyme
Amylase
Mucin
Lipase
Which factor mainly determines the rate of gastric emptying?
Fat content of food
Protein content of food
Water content of food
Fibre content of food
What is the average residence time of food in the stomach?
2-4 hours
30 minutes
6-8 hours
12-24 hours
Which hormone inhibits stomach acid production?
Somatostatin
Gastrin
Secretine
Cholecystokinin
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Frequently asked questions
A Digestion scavenger hunt is a GPS-guided outdoor activity with quiz questions about Digestion, part of the theme Biology. You walk a route past various locations and answer fun questions along the way.
There are 2132 questions available about Digestion: 2132 multiple choice questions, 0 open questions and 0 assignments. The category Biology has more than 35836 questions in total.
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