– The most controversial episode, studying courtship, attraction, and the mechanics of sexual arousal.
Written and presented by renowned zoologist Desmond Morris , this six-part British nature documentary series study human behavior from a zoological perspective. It explores how many modern human habits—from language to love—have common biological roots in the animal kingdom. Human animal sex videos free 18
– Analyzes life in crowded urban environments and the stresses of living in a "human zoo". – Analyzes life in crowded urban environments and
– Discusses the biological drive to pass on genes through family and offspring. The series is sometimes associated with an "18"
– Looks at human creativity, play, and the ways we transcend basic biological needs.
The series is sometimes associated with an "18" or "NSFW" (Not Safe For Work) label because of the fourth episode, "The Biology of Love." This episode features sexually explicit scenes of a couple making love, using endoscopic and thermal cameras to show internal biological processes. While educational, these scenes led to age restrictions in some regions. 2. Human Animals (1983 - Animales Racionales )