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Circulation

Introduction

Circulation is a collection of animations and micrographs to help bring all the parts of the topic together.

You’ll use it to:

  • Show the structure of the heart and demonstrate its action.
  • Illustrate the transport function of the circulatory system.
  • Explain about gas exchange in alveoli and diffusion in body tissues.
  • Describe the composition of blood.
  • Compare the structure of arteries, veins and capillaries and relate their structures to their functions.

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