Pheromones

Preview:

DESCRIPTION

slides for some presentention in english class

Citation preview

The Smell of Love

How do we smell?

Humans can detect over 10,000 different smells

Dogs have 1 million smell cells per nostril, and their cells are up to 100 times larger than those of humans.

Actually, how and why we smell is still inadequately known. There are many theories about the exact process of oursense of smell.

Vomeronasal Organ (VNO) sometimes calledJacobson’s Organ,

What are pheromones?

The term "pheromone" was introduced by Peter Karlson and Martin Lüscher in 1959,

Greek word pherein (to transport) hormone (to stimulate).

These chemical messengers are transported outside of the body and result in a direct developmental effect on hormone levels or behavioral change.

What are pheromones?

Types

Alarm pheromones

Territorial pheromones

Trail pheromones

Sex pheromones

Other pheromonesReleaser pheromones,Alarm pheromones, Alarm pheromones...

A look at how human body

odor influences sexual

attraction

Evidence has revealed that natural bodyscents play how we can find someone

attractive

thank you

Recommended