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Circulatory System treasure hunt

Delve into the fascinating world of the human circulatory system with our interactive GPS scavenger hunts. Playfully discover how your heart works, follow the route of red blood cells and learn about the vital function of our circulatory system.

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Made 2 days ago: Enkhuizen city walk in Enkhuizen

Circulatory System treasure hunt - GPS treasure hunt Biology

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Fun in het Noorderplantsoen

Groningen, Groningen, Netherlands
Doe deze speurtocht en ontdek het Noorderplantsoen in Groningen. Succes!
Biologie 18+ year
35 min 1,0 km 11 2

Featured this week: example questions for Circulatory System

New example questions from the library every Monday. Updated on 12 October 2026.

What sound does a healthy heart make?
Boom-boom, boom-boom Tap-tap-tap Woesh-woesh Ping-ping
What is a heart attack?
When your heart gets sick If your heart is too happy When your heart starts singing When your heart starts dancing
When did your heart start beating?
Before you were born When you turned 1 When you learned to walk When you learned to talk
Where can you feel your pulse?
By your wrist On your nose On your back In your ear
What happens if you get a cut?
Blood is coming out Milk comes out Air comes out Nothing comes out
Where do we feel our heartbeat best?
On our wrist On our knee At our elbow On our shoulder
What can you eat for a strong heart?
Fruit and vegetables Candy only Chips only Biscuits only
Why do all people need a heart?
To be able to live To be able to talk To see To be able to hear
Create a circulatory system treasure hunt for Ages 5-6
What does your heart prefer to drink?
Water Soft drinks Coffee Juice high in sugar
What do you call the tubes through which blood flows?
Blood vessels Water pipes Air hoses Straws
Why is exercise good for your heart?
It makes your heart stronger It makes your heart bigger It makes your heart blue It makes your heart softer
Where does the blood go after it leaves your heart?
Throughout your body To your stomach Outside To your head alone
What do you see when you take a picture of your heart?
What your heart looks like inside Your lunch Your thoughts Your dreams
Approximately how much blood is in your body?
5 litres 1 glass 20 litres 1 spoon
How does your heart feel when you run hard?
It beats faster It stops knocking It beats slower It hurts
Which side of your body is your heart on?
A little to the left Far right Right in the middle Far left
Create a circulatory system treasure hunt for Ages 7-8
Why is your heart rate slower at night?
Your body needs less oxygen Your heart gets tired It is dark You are lying flat
Which blood vessels are the smallest?
Capillaries Arteries Veins Main veins
What is the name of the doctor who specialises in the heart?
Cardiologist Heart Doctor Blood Doctor Pump specialist
How long do red blood cells live on average?
120 days 1 day 1 year 10 years
What substance in your blood helps heal wounds?
Fibrin Vitamin Calcium Glucose
What brings nutrients to your cells?
The blood The sky The water The muscles
Which cells in your blood help heal wounds?
Platelets Red blood cells White blood cells Blood droplets
What color is blood that contains a lot of oxygen?
Bright red Dark red Blue Green
Create a circulatory system treasure hunt for Ages 9-10
What gas is released into the lungs?
Carbon dioxide Oxygen Nitrogen Helium
What keeps veins from closing?
Valves in the veins The heartbeat Breathing The muscles
Which artery is the thickest in our body?
The aorta The carotid artery The arm artery The leg artery
What is the name for high blood pressure?
Hypertension Hypotension Anemia Tachycardia
Which substance in red blood cells binds oxygen?
Haemoglobin Chlorophyll Melanin Keratin
What are the smallest blood vessels in our body?
Capillaries Veins Arteries Main veins
What happens when you lose too much blood?
You get dizzy and weak You become stronger Your heart is growing You get a fever
Where in your body is blood pressure highest?
Close to the heart In your fingers In your brain In your feet
Create a circulatory system treasure hunt for Ages 11-12
Which blood cells are important for blood clotting?
Platelets (thrombocytes) Red blood cells (erythrocytes) White blood cells (leukocytes) Plasma cells
Which blood group is called the 'universal donor'?
O- AB+ A+ B-
What does the lymphatic system mainly transport?
Excess tissue fluid and antibodies Oxygen and carbon dioxide Red blood cells Hormones and enzymes
What regulates the heart rate?
The autonomic nervous system The cerebral cortex The spinal cord The thyroid gland
What is arteriosclerosis?
Hardening of the arteries Vein dilation Inflammation of the heart Red blood cell deficiency
How long does one heart cycle last on average?
0.8 seconds 2 seconds 0.3 seconds 1.5 seconds
Which gas is released by the blood into the lungs?
Carbon dioxide Oxygen Nitrogen Hydrogen
Where do the major veins meet before reaching the heart?
Vena cava Aorta Pulmonary vein Portal vein
Create a circulatory system treasure hunt for Ages 13-14
What causes a heart attack?
Blockage of the coronary arteries Defective heart valves Blood pressure that is too low Inflamed heart muscle
Which blood vessels have valves to prevent backflow?
Veins Arteries Capillaries All blood vessels
What is the main function of the pulmonary circulation?
Taking up oxygen in the lungs Transport to all body tissues Filtration of waste products Regulation of blood pressure
What is the function of the bicuspid valve?
It prevents backflow from the left atrium into the ventricle It prevents backflow from the right atrium into the ventricle It regulates blood flow to the aorta It controls blood flow to the pulmonary artery
Which factor mainly determines blood pressure?
Contraction of the ventricles Breathing Body temperature Food intake
Which blood vessels have the thickest muscle layer?
Arteries Veins Capillaries Lymph vessels
Which property of capillaries allows exchange to take place?
They have very thin walls They have thick muscle layers They contain many valves They are very elastic
What happens during diastole?
The ventricles relax and fill with blood The ventricles contract All valves close The heart temporarily stops
Create a circulatory system treasure hunt for Ages 15-16
Which of the following is a function of blood plasma?
Transport of nutrients and waste products Oxygen transport Blood coagulation Immune defence
What is the normal concentration of haemoglobin in the blood in adult men?
14-18 g/dL 8-12 g/dL 20-25 g/dL 4-8 g/dL
Which type of white blood cell produces antibodies?
B-lymphocytes T-lymphocytes Neutrophils Macrophages
Which cells in the blood are responsible for the immune response?
White blood cells Red blood cells Platelets Plasma cells
Which blood value gives information about the average size of red blood cells?
MCV (Mean Corpuscular Volume) MCH (Mean Corpuscular Hemoglobin) MCHC (Mean Corpuscular Hemoglobin Concentration) RDW (Red Cell Distribution Width)
What is meant by the 'Frank-Starling law' in cardiology?
The more the heart is filled, the more powerfully it contracts Heart rate accelerates on physical exertion Blood pressure rises with stress Oxygen demand increases with exercise
Which structure in the lungs has the thinnest wall for gas exchange?
Alveolar capillaries Pulmonary arteries Pulmonary veins Bronchioles
Which factor mainly determines peripheral resistance in the vascular system?
Radius of arterioles Length of the aorta Number of capillaries Volume of blood
Create a circulatory system treasure hunt for Ages 17-18
What is the normal resting heart rate in a healthy adult?
60-100 beats per minute 100-140 beats per minute 40-60 beats per minute 120-160 beats per minute
What is the normal pH of arterial blood?
7,4 7,0 6,8 8,2
On average, how many litres of blood does the human body contain?
5-6 litres 2-3 litres 8-9 litres 10-12 litres
Which artery supplies blood to the heart muscle itself?
Coronary arteries Arteria carotis Arteria subclavia Arteria pulmonalis
What is the main function of venous valves?
Preventing backflow of blood Regulating blood pressure Filtration of blood cells Producing hormones
What is the maximum amount of oxygen that one gram of haemoglobin can bind?
1.34 ml 2.5 ml 0.8 ml 3.2 ml
Which electrolyte is most important for cardiac muscle contraction?
Calcium Magnesium Phosphorus Chloride
Which blood cell has no cell nucleus?
Red blood cell White blood cell Plasma cell Stem cell
Create a circulatory system treasure hunt for Ages 18+

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Frequently asked questions

A Circulatory System scavenger hunt is a GPS-guided outdoor activity with quiz questions about Circulatory System, part of the theme Biology. You walk a route past various locations and answer fun questions along the way.

There are 2188 questions available about Circulatory System: 2188 multiple choice questions, 0 open questions and 0 assignments. The category Biology has more than 35836 questions in total.

There are Circulatory System questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.

Go to oppatt.io, create a free account, choose the theme Biology and select Circulatory System as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.