Circulatory system and Respiratory system

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Across
  1. 1. two tubes that branch from the right lung and the left lung
  2. 4. at the end of bronchioles by capillaries where oxygen exchanges with carbon dioxide take place
  3. 5. two large sponge like organs it contains bronchi,bronchioles,and alveoli
  4. 6. delivers blood to the ventricles and goes to the right side of the lung and leaves from the HEART has 4 chambers it also has 2 atrias one on the top and one on the bottom
  5. 10. for oxygen to enter and CO2 to exit the body
Down
  1. 2. the smallest blood vesseles
  2. 3. carry blood towards the heart
  3. 7. movement of blood through the tissues of the
  4. 8. something that moves blood from the lungs
  5. 9. occurs when blood supply to the brain is blocked