The penis is a very much vascularized organ. Along these lines it contrasts to a degree from other primate penises. The penis isn't just very much vascularized the blood stream to the penis can likewise be controlled. This must mean a certain something. The penis is a warmth exchanger!
A similar organ is the ear of the African elephant. It is all around vascularized and has a substantial surface region. It is utilized to disperse warm. The male penis isn't utilized for conceptive means, it is likewise a warmth exchanger in the hot atmosphere of Africa where people rose. A double capacity of organs isn't remarkable in the set of all animals. The ears of the elephant are as yet used to hear.
At the point when people moved to Europe they at long last wound up in chilly Scandinavia. A substantial penis was developmental hindering to survival. It dispersed excessively warm. It shrank to lessen the surface territory.
Furthermore, that my companions is reality and only reality so help me Darwin