Cycle 2 Extra Credit

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Across
  1. 2. An action or condition that creates a response
  2. 4. An organ system made up of the skin, hair and nails
  3. 5. A group of tissues working together to perform a specific job or function
Down
  1. 1. A change where you start with, and end with, the same substance but it appears different
  2. 3. Works with your skeletal system to provide movement to your body,digest food,pumps heart and moves blood through the veins