ICE BREAKER NI BESH

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Across
  1. 3. Age 1 month to 1 year old
  2. 4. - part of GI tract that prevent reflux
Down
  1. 1. the flow of a fluid through a vessel or valve in the body in a direction opposite to normal.
  2. 2. moves food and liquids from your mouth to your stomach. It's a vital part of the digestive system