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Class 10 · Science

The human heart and double circulation 🔓 Free account

Follow blood through the four chambers of a simplified 3D heart and see why our circulation is called "double".

🎯 You will learn to

  • Name the four chambers of the heart
  • Trace the path of blood through the heart, lungs and body
  • Explain the advantage of double circulation

The heart is a muscular pump about the size of your fist. It has four chambers: two upper atria and two lower ventricles.

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