How well Do you know about your Circulatory System?

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Across
  1. 3. Tubes through which blood flows all the time.
  2. 5. Undigested waste materials are removed from our body by this process.
  3. 7. Tubes which carry blood from heart to other parts of body.
  4. 10. A person who has lost much blood by accident, need this.
Down
  1. 1. A unicellular organism who has no need for circulatory system.
  2. 2. Person who needs or accepts blood in a hospital.
  3. 4. Tubes which carry blood from other parts to heart.
  4. 6. Fine blood vessels which carry blood to every cell of the body.
  5. 8. The pumping machine of our circulatory system.
  6. 9. Person who gives blood to a patient.