Heart and Lungs

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Across
  1. 2. the scientific name for the heart muscle
  2. 5. side of the heart that is very muscular
  3. 6. a mammal with a really long neck
  4. 7. another name for the windpipe
  5. 8. general name for the veins and arteries
  6. 10. the air sacs that allow gas exchange
  7. 11. the part of the heart that takes in the blood
  8. 12. carry low pressure blood to the heart
Down
  1. 1. organ that pumps blood around your body
  2. 3. carry high pressure blood away from the heart
  3. 4. the things that stop blood flowing backwards
  4. 7. roughly how many times your heart will beat in your lifetime
  5. 9. sponge like organ that enables us to respire