The Amazing Heart

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Across
  1. 4. The sound of a healthy heart.
  2. 6. It takes around this many seconds to get blood to your whole body.
  3. 7. Blood vessels that carry blood away from the heart.
  4. 8. Blood vessels that carry blood back to the heart.
  5. 9. Your heart is about this size.
  6. 10. Before each beat your heart fills with ________.
Down
  1. 1. There are 4 of these in the heart.
  2. 2. The heart is a ______.
  3. 3. A small beat that you can feel under your skin.
  4. 5. You should try to do this every day for at least 30 minutes.
  5. 7. The 2 top chambers.
  6. 8. The 2 bottom chambers.