The vomeronasal organ:

Question

Quizplus · Accepted Answer

The vomeronasal organ has indeed evolved to a diminished size in humans, indicating a reduced role in detecting pheromones in humans. However, recent research suggests that humans may still possess the ability to detect pheromones, despite the diminished size of the organ. The vomeronasal organ is known to send signals to the hypothalamus and amygdala, two brain regions involved in controlling social and reproductive behaviors, indicating its importance in the detection of pheromones. Therefore, all of the given choices are correct.

The Vomeronasal Organ