Sexual intercourse. To achieve inner copulation, several system and organic modifications are essential. During the human beings mens, the penis functions both excretory and reproductive features. Our personal authors will go over exactly what you’ve posted and figure out whether or not to change this content. Sexual activities, often known as coitus or copulation, reproductive… Continue reading Sexual intercourse. To achieve inner copulation, several system and organic modifications are essential. During the human beings mens, the penis functions both excretory and reproductive features.