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KLB Science Department Interactivities
KS4 GCSE revision - The Circulatory System

You can click on the rotating heart for help if you get stuck
but this will clear any answers you may have already entered!


Use the words from each list
to label the parts of the heart.

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Diagram of the Heart
The structure of the heart.
  1. The heart is made of muscle and has four chambers, two on each side. The left side contains blood and the right side contains blood.

  2. The TWO atria are the .

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  3. The TWO ventricles are the .

  4. The left ventricle is since it has to pump blood

How blood moves through the heart.

  1. Deoxygenated blood from the enters the which then contracts.

  2. This forces blood into the which then contracts. This forces blood out of the heart into the .

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  1. Oxygenated blood from the enters the which then contracts.

  2. This forces blood into the which then contracts. This forces blood out of the heart into the .

The different Blood Vessels

  1. Arteries carry blood the heart and veins carry blood the heart.

  2. Arteries have than veins. They also have and contain .

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  3. All arteries carry blood except the .

  4. Capillaries are microscopic and only one cell thick. They have .

Press when you think you have all the answers.

Those you get right will be ticked and you can then print out the page.

Your score:


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