1. unavoidable casualty a natural and unavoidable catastrophe that interrupts the expected course of events
  2. inevitableness the quality of being unavoidable
  3. startle response a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise); involves flexion of most skeletal muscles and a variety of visceral reactions
  4. conditional response an acquired response that is under the control of a stimulus
  5. anamnestic response renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen
  6. learned response a reaction that has been acquired by learning
  7. immune response a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
  8. inevitable accident a natural and unavoidable catastrophe that interrupts the expected course of events
  9. conditioned avoidance response a conditioned response that anticipates the occurrence of an aversive stimulus
  10. abatable nuisance a nuisance that can remedied
  11. conditioned response an acquired response that is under the control of a stimulus
  12. favourable reception acceptance as satisfactory
  13. unfavorable position the quality of being a competitive disadvantage
  14. favorable reception acceptance as satisfactory
  15. unavoidable impossible to evade
  16. electrodermal response a change in the electrical properties of the skin in response to stress or anxiety; can be measured either by recording the electrical resistance of the skin or by recording weak currents generated by the body
  17. Napier's bones a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
  18. unprofitableness the quality of affording no gain or no benefit or no profit
  19. vegetable sponge the loofah climber that has cylindrical fruit
  20. reflex response an automatic instinctive unlearned reaction to a stimulus

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