Solve the crossword puzzle

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Across
  1. 3. use the instant cold pack to reduce the ____________ of wounds.
  2. 4. Chemical reaction that releases heat into the surroundings
  3. 5. Exothermic reaction that occur in animals
  4. 7. cramps/ use instant hot pack to relieve _________
  5. 8. Study of heat change when chemical reactions take place
Down
  1. 1. Chemical reaction that absorbs heat from the surrounding
  2. 2. /A device that measures change in temperature during exothermic and endothermic reaction
  3. 6. Endothermic reaction that occurs in plants