Male Structure Male Structure Testes- Testes- Male gonads Male gonads Produce sperm Produce sperm 2, located in scrotum 2, located in scrotum Seminiferous tubules Seminiferous tubules Actual tubes in testes where sperm form Actual tubes in testes where sperm form

Male Structure Male Structure Epididymis Epididymis Structure that stores mature sperm Structure that stores mature sperm Vas deferens Sperm duct Sperm duct Carries sperm from testes to urethra Carries sperm from testes to urethra Seminal fluid added to the sperm forming semen Seminal fluid added to the sperm forming semen

Male Structure Urethra Urethra Tube that semen passes through from the body Tube that semen passes through from the body

Female Structure Female Structure Ovaries Ovaries Female gonads Female gonads 2, contains follicles in which egg cells develop 2, contains follicles in which egg cells develop Release 1 egg each menstrual cycle Release 1 egg each menstrual cycle Fallopian tubes Fallopian tubes Oviducts Oviducts Transports the egg from the ovary to the uterus Transports the egg from the ovary to the uterus

Female Structure Uterus Uterus Structure in which the fertilized egg implants and develops Structure in which the fertilized egg implants and develops Vagina Vagina Birth canal Birth canal

Menstrual Cycle Menstruation Menstruation Approx. days 1-5 Approx. days 1-5 Occurs if an egg is not fertilized Occurs if an egg is not fertilized Uterine lining breaks down and is discharged with the unfertilized egg Uterine lining breaks down and is discharged with the unfertilized egg

Menstrual Cycle Follicle phase Follicle phase Approx. day 5-14 Approx. day 5-14 Egg develops in the follicle Egg develops in the follicle Uterine lining thickens Uterine lining thickens

Menstrual Cycle Ovulation Ovulation Approx. day 14 Approx. day 14 Release of the egg from the follicle of the ovary Release of the egg from the follicle of the ovary

Menstrual Cycle Luteal phase Luteal phase Approx. days Approx. days Ruptured follicle develops into the corpus luteum Ruptured follicle develops into the corpus luteum Corpus luteum releases progesterone Corpus luteum releases progesterone

Reproductive Hormones FSH/ LH FSH/ LH Stimulate the maturing of the egg & ovulation Stimulate the maturing of the egg & ovulation Androgens (testosterone) Androgens (testosterone) Secondary male sex characteristics Secondary male sex characteristics Facial hair Facial hair More muscular More muscular Deeper voice Deeper voice Broader shoulders Broader shoulders

Reproductive Hormones Estrogen- Estrogen- Secondary female sex characteristics Secondary female sex characteristics Higher voice Higher voice Less muscle Less muscle Broader hips Broader hips Prepares uterus for pregnancy Prepares uterus for pregnancy Progesterone Progesterone Prepares & maintains uterus during pregnancy Prepares & maintains uterus during pregnancy