laciroundtree15 laciroundtree15
  • 08-05-2017
  • Biology
contestada

Which type of stimulus is an allergen, such as pollen?

A.
inborn stimulus

B.
external stimulus

C.
response to a stimulus

D.
internal stimulus

Respuesta :

rhinomill rhinomill
  • 08-05-2017
Since it is outside your body, the answer is B, external stimulus
Answer Link
Madworld2
Madworld2 Madworld2
  • 08-05-2017
Since it's an outdoor door allergy, that that means it's an external stimulus. Hope this is right.
Answer Link

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