Fact 1: Intense heat has a negative impact on an organism.

Fact 2: Heat loss is inhibited by the intense vasoconstriction.

Given the two facts above, answer the question "Intense _ has a negative impact on an organism" with the following options: 
- dilation
 - contractions
 - vasoconstriction
 - chemical reaction
 - energy of moving objects
 - Greenhouse gasses
 - digestion
 - electromagnetic energy


 

   vasoconstriction      