This KS2 Science quiz explores the different parts of the human circulatory system and how they work together.
The circulatory system is a transportation network for blood, carrying essential stuff to every part of your body. Imagine it as a delivery service for oxygen and food to keep your cells happy and working. Your heart is the hardworking pump that keeps the blood moving through your arteries. After delivering goodies, the blood returns to the heart through the veins. Lungs also play a part by refreshing the blood with oxygen and removing waste.
Take this science quiz to test what you know about the heart, arteries, veins, and more in the human circulatory system.
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You can find more about this topic by visiting BBC Bitesize - The circulatory system
'Cardio' means 'heart' and 'vascular' refers to the blood vessels
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Carbon dioxide is sometimes written as CO2
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Carbon dioxide leaves the body and oxygen enters
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All the living cells in our bodies need oxygen in order to work
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Blood then takes on the waste materials from the cells, including carbon dioxide - it is a highly-efficient delivery system!
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Your heart is divided by the septum into two sides - each side is divided into an atrium and ventricle
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The waste is passed out of the body when you go to the toilet
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Veins carry deoxygenated blood back to the heart
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The walls of capillaries are only one cell thick!
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Your pulse rate rises after you've been active for a short time
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