Lesson #22Lesson #22Female Reproductive Female Reproductive

SystemSystem

PubertyPuberty

Stage of growth and Stage of growth and development when development when both the male and both the male and female body female body becomes capable of becomes capable of producing offspringproducing offspring

EstrogenEstrogen

Hormone produced by the ovaries that Hormone produced by the ovaries that stimulates the development of female sex stimulates the development of female sex characteristics and affects the menstrual characteristics and affects the menstrual cycle.cycle.

Increased estrogen produces sexual Increased estrogen produces sexual feelingsfeelings

Secondary Sex CharacteristicsSecondary Sex Characteristics: : Physical and emotional changes Physical and emotional changes that occur during pubertythat occur during puberty

Widening of the hipsWidening of the hips Increase in breast sizeIncrease in breast size Growth of pubic hairGrowth of pubic hair Enlargement of external genitalsEnlargement of external genitals Formation of mature ovaFormation of mature ova Begin menstruationBegin menstruation

Body ImageBody Image

Perception a person Perception a person has of his or her has of his or her body’s appearance.body’s appearance.

External Organs (vulva)External Organs (vulva)

Mons Veneris / PubisMons Veneris / Pubis: fatty tissue that : fatty tissue that covers the front of the pubic bonecovers the front of the pubic bone

Labia MajoraLabia Majora: heavy folds of skin that : heavy folds of skin that surround the opening of the vaginasurround the opening of the vagina

Labia MinoraLabia Minora: two smaller folds of skin : two smaller folds of skin located within the labia majoralocated within the labia majora

ClitorisClitoris: Small, highly sensitive structure : Small, highly sensitive structure located above the opening of the urethra.located above the opening of the urethra.

HymenHymen: thin membrane that stretches : thin membrane that stretches across the opening of the vaginaacross the opening of the vagina

ProgesteroneProgesterone: hormone that causes the : hormone that causes the release of estrogen.release of estrogen.

FSHFSH: Hormone that maintains : Hormone that maintains endometrium.endometrium.

EndometriumEndometrium: inner lining of the uterus: inner lining of the uterus Corpus LuteumCorpus Luteum: temporary gland : temporary gland

produces progesterone.produces progesterone.

Internal OrgansInternal Organs

OvariesOvaries: produce ova and estrogen. : produce ova and estrogen. Born with 200 to 400 thousand immature Born with 200 to 400 thousand immature eggs in the ovaries. About 375 will eggs in the ovaries. About 375 will mature to be released.mature to be released.

OvulationOvulation: release of mature ovum (egg).: release of mature ovum (egg). Fallopian TubesFallopian Tubes: Four-inch long tube that : Four-inch long tube that

connects ovaries to the uterus. connects ovaries to the uterus. (fertilization usually takes place here) (fertilization usually takes place here)

UterusUterus: Muscular organ that receives the : Muscular organ that receives the fertilized egg.fertilized egg.

CervixCervix: Lowest part of the uterus. : Lowest part of the uterus. (connects the uterus to the vagina)(connects the uterus to the vagina)

VaginaVagina: Female organ for sexual : Female organ for sexual intercourse. (aka. Birth canal)intercourse. (aka. Birth canal)

Menstrual CycleMenstrual Cycle

Days 1 to 5: menstruation or the Days 1 to 5: menstruation or the menstrual flow leaves the body.menstrual flow leaves the body.

Days 6 to 12: The uterine lining begins to Days 6 to 12: The uterine lining begins to thicken.thicken.

Days 13 to 14: Ovulation occurs.Days 13 to 14: Ovulation occurs.

Days 15 to 20: The corpus luteum Days 15 to 20: The corpus luteum secretes hormones (progesterone) to secretes hormones (progesterone) to support a pregnancy. (progesterone: support a pregnancy. (progesterone: changes the lining of the uterus)changes the lining of the uterus)

Days 21 to 28: The corpus luteum Days 21 to 28: The corpus luteum disintegrates if an ovum is not fertilized.disintegrates if an ovum is not fertilized.

What are the main functions What are the main functions of the female reproductive of the female reproductive system?system?

Provide the place for fertilizationProvide the place for fertilization Receive the sperm / male penisReceive the sperm / male penis Provide the eggProvide the egg House the babyHouse the baby Nourish the baby / Feed babyNourish the baby / Feed baby Deliver the babyDeliver the baby