Circulatory System

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Across
  1. 3. There are 60,000_____ of blood vessels in your body
  2. 5. Carry oxygenized blood from the heart to different parts of the body
  3. 7. _______ circulation helps deliver blood and nutrients to other parts of the body
Down
  1. 1. One part of the system that works with the lungs
  2. 2. The circulatory system works closely with the ________ system
  3. 4. This organ helps pump out waste
  4. 6. The ____ return blood to the hearts from the organs.