SEXUAL SCIENCE

NORMAL HUMAN SEXUAL RESPONSE CYCLE
A normal human sexual response cycle can be divided into five phases:

Appetitive Phase: this the phase which occurs before the actual sexual
Response cycle.this consists of of sexual fantasies and desire to have
Sexual activity.
Excitement Phase this is the first true phase of the sexual response cycle
Which starts with physical stimulation and by appetitive phase .the major changes
During this phase are listed below;
Male
.Penile erection, due to vasocongestion of corpus cavernosa.
.elevation of testes with scrotal sac.
Female
.Lubrication of vagina
.Erection of the nipple
.Erection of the clitoris
. thinking of labia minora
.the duration of this phase is highly variable and may lost for several minutes
Platue phase . this is an intermediate phase just before actual orgasm,at the hight
Of excitement .it is often difficult to differentiate the platue phase from the excitement phase. Important changes are
Male
.sexual flush
.autonomic activity
.erection and engorgement of testes
.dew drops on glance penis

Female
.sexual flush
.autonomic hyper activity
retraction of the clitoris
development of orgasmic platform
in the lower 1/3 of vagina
. enlargement of breasts and labia minora
(the duration of this phase may last half to several minutes.
4 Organic phase …..this is the phase with a peak of sexual excitement f followed by
a relase of sexual tension ,and rhythmic contraction of sex organ
the important changes are……….
Male….
.4-10 contraction of penile urethra
.orgasm
..Female …….
Orgasm
5 resolution phase
this phase is characterized by sense of relaxation and well being