Three simple rephrasings for a 5-year-old: 'The left side of the heart sends oxygen-rich blood out to the whole body'

Three child-friendly ways to say that the left side of the heart pumps oxygen-rich blood to the whole body — written for a 5-year-old.

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Here are three simple ways to say that:

  1. The left side of the heart pushes blood full of oxygen to every part of your body.
  2. The heart's left side pumps fresh, oxygen-filled blood all around your body.
  3. From the left side of the heart, oxygen-rich blood travels to all the parts of your body.

This means the left side of the heart works like a pump that sends oxygen to your body so you can play and grow.

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