Circulatory System

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Across
  1. 3. Bottom chambers of the heart.
  2. 4. Carries deoxygenated blood from body to heart.
  3. 7. Wall of tissue separating left and right sides of heart.
  4. 8. Carries deoxygenated blood away from heart.
Down
  1. 1. Type of muscle that never tires.
  2. 2. Carries oxygenated blood towards heart.
  3. 5. Top chambers of the heart.
  4. 6. Outside of heart.
  5. 9. Carries oxygenated blood to body.