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HumAN Sexuality By: Miss Shenell A. Delfin Lecturer NCM 101
[object Object]
Introduction of Human sexuality ,[object Object],[object Object]
Aspects of sexual behavior Philosophical Sociological Psychological Anatomical Physiological Cognitive Learning Cultural  Political Legal Moral Ethical Theological Spiritual Religious
Anatomical  and physiological aspect
Teng-teng Va-jj Meet your new friends!!
Key terms: ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Biological Bases of Human Sexuality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Note homology between the penis and clitoris and between the scrotum and the labia majora.
Male Reproductive System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Male Reproductive System ,[object Object],[object Object],[object Object],[object Object]
Male Reproductive System
Role of androgen ,[object Object],[object Object]
Male reproductive hormones Hormone Where produced Functions Testosterone Testes, adrenal glands Stimulate sperm production, secondary sex characteristics, sex drives GnRh Hypothalamus Stimulate pituitary during sperm production FSH Pituitary  Sperm production in testes LH Pituitary Stimulates testosterone production within testes Inhibin Testes Regulates sperm production by inhiting release of FSH Relaxin Prostate Increase sperm motility
SPERM PRODUCTION ,[object Object]
Physiology of penile erection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ejaculation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
sperm production ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Female Reproductive System ,[object Object],[object Object],[object Object],[object Object],[object Object]
Female Reproductive System ,[object Object],[object Object],[object Object],[object Object]
 
Female Reproductive System ,[object Object],[object Object],[object Object],[object Object]
 
Female Reproductive System
Role of estrogen ,[object Object],[object Object]
Female reproductive hormones Hormone Where produced Functions Estrogen(estradiol, estrone, estriol) Ovaries, adrenal glands, placenta during pregnancy Promotes maturation of reproductive organs, secondary sex characteristics,& GD during puberty; regulates menstrual cycle; sustains pregnancy Progesterone Ovaries, adrenal glands Promotes breast dev’t, maintains uterine lining, regulates menstrual cycle GnRH- gonadotropin-releasing hormone Hypothalamus Promotes maturation of gonads, regulates menstrual cycle FSH Pituitary Regulates ovarian fxn and maturation of follicles
Female reproductive hormones Hormone Where produced Functions LH Pituitary  Assist in production of estrogen & progesterone, regulates maturation of ovarian follicle, triggers ovulation HCG- human chorionic gonadotropin Embryo and placenta Helps sustain pregnancy Testosterone Adrenal glands & ovaries Helps stimulate sexual interest Oxytocin Hypothalamus Stimulate uterine contraction during childbirth prolactin pituitary Stimulates milk production
DEVELOPMENTOF FOLLICLE ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Menstrual cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proliferative phase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Secretory phase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pre-Menstrual phase ,[object Object],[object Object],[object Object],[object Object]
Pre-menstrual phase ,[object Object],[object Object],[object Object]
Menstrual phase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Menstrual Cycle
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Abnormalities of Menstruation ,[object Object],[object Object],[object Object],[object Object]
Abnormalities of Menstruation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Related Conditions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Human  ,[object Object]
Reproductive Process: The Implications of Cooperation Between the Sexes ,[object Object],[object Object]
Psychological and sociological  aspect
Sex, gender, and gender roles: what’s the difference? ,[object Object],[object Object],[object Object]
Sex, gender, and gender roles: what’s the difference? ,[object Object],[object Object],[object Object]
Sex, gender, and gender roles: what’s the difference? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Gender biases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sexual Orientation ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
Theories of gender role development ,[object Object],[object Object],[object Object],[object Object]
[object Object]
Teenage sex: are you ready ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Teenage sex: are you ready ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Teenage sex: are you ready ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
Clitoridectomy and Circumcision ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Female genital mutilation   with clitoris possibly removed and labia sewed shut (female circumcision) Opening left for menstrual blood to escape.
 
homosexuality
homosexuality
Types of sexual relationships ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
Sexual expression ,[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Pinpointing Erogenous Zones Tactile stimulations- touching any body area. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Four-phase cycle of Physiological Responses   ,[object Object],Desire  Orgasm  Excitement   Resolution  Phase-2 Phase-3 Phase-4 Plateau phase
Four-phase cycle of Physiological Responses   The sequence of responses can overlap and fluctuate
Phase 1: Desire ,[object Object],[object Object]
Phase 2: Excitement   ,[object Object]
Phase 3: Orgasm   ,[object Object],[object Object],[object Object],[object Object],[object Object]
Phase 4: Resolution ,[object Object],[object Object],[object Object],[object Object]
 
 
 
 
 
 
 
Male Sexual Response Cycle   Organ Excitement Phase Orgasmic Phase Resolution Phase Skin Just before orgasm:  sexual flush inconsistently appears; maculopapular rash originates on abdomen and spreads to anterior chest wall, face, and neck and can include shoulders and forearms Well-developed flush Flush disappears in reverse order of appearance; inconsistently appearing film of perspiration on soles of feet and palms of hands Penis Erection  in 10 to 30 seconds caused by vasocongestion of erectile bodies of corpus cavernosa of shaft; loss of erection may occur with introduction of asexual stimulus, loud noise; with heightened excitement, size of glands and diameter of penile shaft increase further Ejaculation ;  emission phase marked by 5-15 seconds contractions of vas, seminal vesicles, prostate; ejaculation proper marked by contractions of urethra and ejaculatory spurt of 12 to 20 inches at age 18, decreasing with age to seepage at 70 Erection:  partial involution in 5 to 10 seconds with variable refractory period; full detumescence in 5 to 30 minutes
Male Sexual Response Cycle   Contd Scrotum and testes Tightening and lifting  of scrotal sac and elevation of testes; with heightened excitement,  50% increase in size of testes  over unstimulated state and flattening against perineum, signaling impending ejaculation No change Decrease to baseline size  because of loss of vasocongestion; testicular and scrotal descent within 5 to 30 minutes after orgasm;  involution  may take several hours if no orgasmic release takes place Cowper's glands 2 to 3 drops of  mucoid fluid  that contain viable sperm are secreted during heightened excitement No change No change
Male Sexual Response Cycle   Contd Other Breasts:  inconsistent nipple erection with heightened excitement before orgasm Myotonia:  semispastic contractions of facial, abdominal, and intercostal muscles Tachycardia:  up to 175 beats a minute Blood pressure :  rise in systolic 20 to 80 mm; in diastolic 10 to 40 mm Respiration:  increased Loss of voluntary muscular control Rectum:  rhythmical contractions of sphincter Heart rate:  up to 180 beats a minute Blood pressure:  up to 40 to 100 mm systolic; 20 to 50 mm diastolic Respiration:  up to 40 respirations a minute
Female Sexual Response Cycle Organ Excitement Phase Orgasmic Phase Resolution Phase Skin Just before orgasm:  sexual flush inconsistently appears; maculopapular rash originates on abdomen and spreads to anterior chest wall, face, and neck; can include shoulders and forearms Well-developed flush Flush disappears in reverse order of appearance; inconsistently appearing film of perspiration on soles of feet and palms of hands Breasts Nipple erection  in two thirds of women, venous congestion and areolar enlargement; size increases to one fourth over normal Breasts may become  tremulous Return to normal in about  30 minutes Clitoris Enlargement in diameter  of glands and shaft; just before orgasm, shaft retracts into prepuce No change Shaft returns to normal position in 5 to 10 seconds;  detumescence in 5 to 30 minutes; if no orgasm, detumescence takes several hours
Female Sexual Response Cycle  Contd Labia majora Nullipara:  elevate and flatten against perineum Multipara:  congestion and edema No change Nullipara:  decrease to normal size in 1 to 2 minutes Multipara:  decrease to normal size in 10 to 15 minutes Labia minora Size increased  two to three times over normal; change to pink, red, deep red before orgasm Contractions of proximal labia minora Return to normal within  5 minutes Vagina Color change  to dark purple; vaginal transudate appears 10 to 30 seconds after arousal;  elongation and ballooning  of vagina; lower third of vagina constricts before orgasm 3 to 15 contractions of lower third of vagina at intervals of 0.8 second Ejaculate  forms seminal pool in upper two thirds of vagina; congestion disappears in seconds or, if no orgasm, in 20 to 30 minutes
Female Sexual Response Cycle  Contd Uterus Ascends into false pelvis ; labor-like contractions begin in heightened excitement just before orgasm Contractions  throughout orgasm Contractions cease , and uterus descends to normal position Other Myotonia: A few drops of mucoid secretion from Bartholin's glands during heightened excitement Cervix swells  slightly and is passively elevated with uterus Loss of voluntary muscular Control  Rectum:  rhythmical contractions of sphincter Hyperventilation  and  tachycardia Return to baseline status in  seconds to minutes Cervix color and size return to normal , and cervix descends into seminal pool
Differences Between Men and Women in the Sexual Response Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SIX  Points for  SEX Preparation Position Duration Concentration Relaxation 3 2 1 4 5 Frequency 6
COITAL POSITION – diversity of coital position for greater satisfaction.
Benefits  of  SEX  beyond reproduction
Health benefit of sex ,[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd.   ,[object Object],[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object],[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object]
Health benefit of sex    Contd. ,[object Object]
[object Object]
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object]
[object Object]
Fetishism sexual activity makes use of physical objects, sometimes in preference to contact with humans.
Transvetism   a man occasionally prefers to wear women’s clothing, or less commonly, a woman prefers to wear men’s clothing.
Pedophilia   is a preference for sexual activity with young children.  
Exhibitionism   a person ( usually a man ) exposes his genitals to unsuspecting strangers and becomes sexually excited when doing so.
Voyeurism   a person becomes sexually aroused by watching someone who is disrobing, naked, or engaged in sexual activity.  
Masochism   it constitutes sexual enjoyment in being physically harmed, threatened, or abused
Sadism   an opposite of masochism, is a sexual enjoyment a person receives from inflicting actual physical or psychologic suffering on a sex partner.
Frotteurism- sexual pleasure is obtained by touching or rubbing against a non consenting person
Zoophillia or bestiality- sexual contact with an animals
Coprophillia
[object Object],[object Object],[object Object],[object Object]
[object Object]
Men, sex, and love ,[object Object],[object Object],[object Object]
Women, sex, and love ,[object Object],[object Object],[object Object]
Gay men, lesbians, and love ,[object Object],[object Object],[object Object]
Sex without love ,[object Object],[object Object]
Love without sex: celibacy as a choice ,[object Object],[object Object],[object Object]
Conclusion ,[object Object]
Conclusion   Contd. ,[object Object],[object Object]
HumAN Sexuality ,[object Object],[object Object],[object Object]
[object Object]

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Normalsexuality

  • 1. HumAN Sexuality By: Miss Shenell A. Delfin Lecturer NCM 101
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  • 4. Aspects of sexual behavior Philosophical Sociological Psychological Anatomical Physiological Cognitive Learning Cultural Political Legal Moral Ethical Theological Spiritual Religious
  • 5. Anatomical and physiological aspect
  • 6. Teng-teng Va-jj Meet your new friends!!
  • 7.
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  • 10. Note homology between the penis and clitoris and between the scrotum and the labia majora.
  • 11.
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  • 15. Male reproductive hormones Hormone Where produced Functions Testosterone Testes, adrenal glands Stimulate sperm production, secondary sex characteristics, sex drives GnRh Hypothalamus Stimulate pituitary during sperm production FSH Pituitary Sperm production in testes LH Pituitary Stimulates testosterone production within testes Inhibin Testes Regulates sperm production by inhiting release of FSH Relaxin Prostate Increase sperm motility
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  • 28. Female reproductive hormones Hormone Where produced Functions Estrogen(estradiol, estrone, estriol) Ovaries, adrenal glands, placenta during pregnancy Promotes maturation of reproductive organs, secondary sex characteristics,& GD during puberty; regulates menstrual cycle; sustains pregnancy Progesterone Ovaries, adrenal glands Promotes breast dev’t, maintains uterine lining, regulates menstrual cycle GnRH- gonadotropin-releasing hormone Hypothalamus Promotes maturation of gonads, regulates menstrual cycle FSH Pituitary Regulates ovarian fxn and maturation of follicles
  • 29. Female reproductive hormones Hormone Where produced Functions LH Pituitary Assist in production of estrogen & progesterone, regulates maturation of ovarian follicle, triggers ovulation HCG- human chorionic gonadotropin Embryo and placenta Helps sustain pregnancy Testosterone Adrenal glands & ovaries Helps stimulate sexual interest Oxytocin Hypothalamus Stimulate uterine contraction during childbirth prolactin pituitary Stimulates milk production
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  • 63. Female genital mutilation with clitoris possibly removed and labia sewed shut (female circumcision) Opening left for menstrual blood to escape.
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  • 74. Four-phase cycle of Physiological Responses The sequence of responses can overlap and fluctuate
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  • 86. Male Sexual Response Cycle Organ Excitement Phase Orgasmic Phase Resolution Phase Skin Just before orgasm: sexual flush inconsistently appears; maculopapular rash originates on abdomen and spreads to anterior chest wall, face, and neck and can include shoulders and forearms Well-developed flush Flush disappears in reverse order of appearance; inconsistently appearing film of perspiration on soles of feet and palms of hands Penis Erection in 10 to 30 seconds caused by vasocongestion of erectile bodies of corpus cavernosa of shaft; loss of erection may occur with introduction of asexual stimulus, loud noise; with heightened excitement, size of glands and diameter of penile shaft increase further Ejaculation ; emission phase marked by 5-15 seconds contractions of vas, seminal vesicles, prostate; ejaculation proper marked by contractions of urethra and ejaculatory spurt of 12 to 20 inches at age 18, decreasing with age to seepage at 70 Erection: partial involution in 5 to 10 seconds with variable refractory period; full detumescence in 5 to 30 minutes
  • 87. Male Sexual Response Cycle Contd Scrotum and testes Tightening and lifting of scrotal sac and elevation of testes; with heightened excitement, 50% increase in size of testes over unstimulated state and flattening against perineum, signaling impending ejaculation No change Decrease to baseline size because of loss of vasocongestion; testicular and scrotal descent within 5 to 30 minutes after orgasm; involution may take several hours if no orgasmic release takes place Cowper's glands 2 to 3 drops of mucoid fluid that contain viable sperm are secreted during heightened excitement No change No change
  • 88. Male Sexual Response Cycle Contd Other Breasts: inconsistent nipple erection with heightened excitement before orgasm Myotonia: semispastic contractions of facial, abdominal, and intercostal muscles Tachycardia: up to 175 beats a minute Blood pressure : rise in systolic 20 to 80 mm; in diastolic 10 to 40 mm Respiration: increased Loss of voluntary muscular control Rectum: rhythmical contractions of sphincter Heart rate: up to 180 beats a minute Blood pressure: up to 40 to 100 mm systolic; 20 to 50 mm diastolic Respiration: up to 40 respirations a minute
  • 89. Female Sexual Response Cycle Organ Excitement Phase Orgasmic Phase Resolution Phase Skin Just before orgasm: sexual flush inconsistently appears; maculopapular rash originates on abdomen and spreads to anterior chest wall, face, and neck; can include shoulders and forearms Well-developed flush Flush disappears in reverse order of appearance; inconsistently appearing film of perspiration on soles of feet and palms of hands Breasts Nipple erection in two thirds of women, venous congestion and areolar enlargement; size increases to one fourth over normal Breasts may become tremulous Return to normal in about 30 minutes Clitoris Enlargement in diameter of glands and shaft; just before orgasm, shaft retracts into prepuce No change Shaft returns to normal position in 5 to 10 seconds; detumescence in 5 to 30 minutes; if no orgasm, detumescence takes several hours
  • 90. Female Sexual Response Cycle Contd Labia majora Nullipara: elevate and flatten against perineum Multipara: congestion and edema No change Nullipara: decrease to normal size in 1 to 2 minutes Multipara: decrease to normal size in 10 to 15 minutes Labia minora Size increased two to three times over normal; change to pink, red, deep red before orgasm Contractions of proximal labia minora Return to normal within 5 minutes Vagina Color change to dark purple; vaginal transudate appears 10 to 30 seconds after arousal; elongation and ballooning of vagina; lower third of vagina constricts before orgasm 3 to 15 contractions of lower third of vagina at intervals of 0.8 second Ejaculate forms seminal pool in upper two thirds of vagina; congestion disappears in seconds or, if no orgasm, in 20 to 30 minutes
  • 91. Female Sexual Response Cycle Contd Uterus Ascends into false pelvis ; labor-like contractions begin in heightened excitement just before orgasm Contractions throughout orgasm Contractions cease , and uterus descends to normal position Other Myotonia: A few drops of mucoid secretion from Bartholin's glands during heightened excitement Cervix swells slightly and is passively elevated with uterus Loss of voluntary muscular Control Rectum: rhythmical contractions of sphincter Hyperventilation and tachycardia Return to baseline status in seconds to minutes Cervix color and size return to normal , and cervix descends into seminal pool
  • 92.
  • 93. SIX Points for SEX Preparation Position Duration Concentration Relaxation 3 2 1 4 5 Frequency 6
  • 94. COITAL POSITION – diversity of coital position for greater satisfaction.
  • 95. Benefits of SEX beyond reproduction
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  • 115. Fetishism sexual activity makes use of physical objects, sometimes in preference to contact with humans.
  • 116. Transvetism a man occasionally prefers to wear women’s clothing, or less commonly, a woman prefers to wear men’s clothing.
  • 117. Pedophilia is a preference for sexual activity with young children.  
  • 118. Exhibitionism a person ( usually a man ) exposes his genitals to unsuspecting strangers and becomes sexually excited when doing so.
  • 119. Voyeurism a person becomes sexually aroused by watching someone who is disrobing, naked, or engaged in sexual activity.  
  • 120. Masochism it constitutes sexual enjoyment in being physically harmed, threatened, or abused
  • 121. Sadism an opposite of masochism, is a sexual enjoyment a person receives from inflicting actual physical or psychologic suffering on a sex partner.
  • 122. Frotteurism- sexual pleasure is obtained by touching or rubbing against a non consenting person
  • 123. Zoophillia or bestiality- sexual contact with an animals
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Editor's Notes

  1. Figure 12-2 The male reproductive system
  2. Figure 12-3 The female reproductive system
  3. Figure 12-4 The Menstrual Cycle