 |
| Previous Image | Next Image |
| Description: This schematic shows a possible explanation of the interacting excitatory effects of pheromones, genital stimulation, and testosterone on male sexual behavior.
Picture Stats: Views: 625 Filesize: 118.05kB Height: 701 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=21521 |