Human beings may have all of the physical structures necessary for the presence of a
pheromone system,but there is no compelling evidence that we actually use that system.

Question

Human beings may have all of the physical structures necessary for the presence of a	
pheromone system,but there is no compelling evidence that we actually use that system.

Quizplus · Accepted Answer

While human beings have all the physical structures necessary for a pheromone system, there is no compelling evidence to suggest that we actually use that system.

Human Beings May Have All of the Physical Structures Necessary