Body

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Across
  1. 1. inner organ important for breathing
  2. 3. the inner organ responsible for pumping blood around
  3. 4. The joint between upper and lower arms
  4. 6. very high body temperature
Down
  1. 1. Inner organ filtering our blood
  2. 2. the part of leg under the knee on the back part
  3. 5. liquid circulating in our veins and arteries