Easy

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Across
  1. 4. part of the body between the neck and the upper arm
  2. 5. It has four legs and you can sit on it
  3. 6. an open field of grass
Down
  1. 1. when you itch, you do this with your fingers
  2. 2. finger that is short and thick
  3. 3. food that you can eat, made from old(soured) milk
  4. 4. a salty type of fluid(like water) from your body