Presentation on theme: "Safe Environment Contract"— Presentation transcript:
1Safe Environment Contract This classroom must be an environment in which all cadets feel safe asking questions and learning about the human reproductive system.
2Safe Environment Contract I understand that I am welcome to ask scientifically-relevant questions, using anatomically-correct terminology.I understand that I have the right to feel safe and comfortable in this class and outside of it when discussing classwork and/or topics.I understand that if I feel uncomfortable or threatened in any way that I have the right to come forward for help without fear of repercussion.I understand that under NO circumstances will ANY harassment (whether verbal, emotional, physical, or otherwise) be tolerated against any other person(s) in the class.Consequences for harassment can include parent/guardian intervention, administrative referrals, or police involvement, as necessary and warranted.
3Safe Environment Contract If I do not choose to sign and/or respect the regulations outlined in the contract I will be removed from class activities, discussions, and other interactions.Alternative work will only earn up to 70% of the normal grade.
6OverviewTo produce, maintain, and transport sperm (the male reproductive cells) and protective fluid (semen)To discharge sperm within the female reproductive tract during sexTo produce and secrete male sex hormones responsible for maintaining the male reproductive system
8Penis Male organ used during sexual intercourse. Three parts Root Attaches to abdominal wallBody (Shaft)GlansCone-shaped “head”Covered by the foreskinCircumcision: removal of foreskin
9Penis The body of the penis is composed of three circular chambers 2 Corpora Cavernosa1 Corpus SpongisumThese tissues contain large spaces that become engorged with blood when the male is aroused.This causes the penis to become erect and allows for penetration during sex.
10Scrotum Pouch-like sac of skin that hangs behind and below the penis Houses the testiclesFunction“Climate-control” for testiclesFor optimal sperm development the testicles must be slightly below body temperatureMuscles in the wall of the scrotum allow it to contract (keep the testicles warmer) or relax (let the testicles cool down)
11Testicles (Testes) Generate sperm and produce testosterone Testosterone is the primary male sex hormone
12Testicles (Testes)Seminiferous tubules within the testicles produce sperm cells
13Sperm Cells Arcosome Head Midpiece (body) Flagella (tail) Enzyme-filled tip that allows the sperm to penetrate the eggHeadContains half of man’s DNAMidpiece (body)Contains mitochondria to provide energy for sperm movementFlagella (tail)Propels the sperm toward the egg
14EpididymisTransports and stores sperm cells which were produced in the testiclesBrings sperm to maturitySperm produced by the testicles are immature and incapable of fertilization
15Vas DeferensMuscular tube that transports mature sperm to the urethra
16Urethra Tube which carries Urine from the bladderSemen from the testicles/seminal vesiclesWhen the penis is erect during sex, the flow of urine is blocked from the urethraThis means that only semen is expelled (ejaculated) during orgasm
17Seminal VesiclesProduces sugar-rich fluid that becomes mixed with the sperm cellsProvides sperm with energy to moveThis fluid makes up most of the male’s ejaculatory fluid (ejaculate)
18Prostate GlandProvides additional fluids that are part of the ejaculateHelps nourish the sperm
19The Female Reproductive System: Internal Structures Part 2
20Overview Produces female reproductive cells called ova (eggs) Moves ova to site of fertilization, then to the developmental chamberIf no fertilization/implantation, designed to menstruateShedding of the uterine liningProduces female sex hormones
23Fallopian Tubes Tubes which connect ovaries to the uterus Conception (fertilization of an ovum by sperm) occurs here
24UterusHouses the developing fetus after a fertilized ovum implants in the uterine wallTwo parts:Cervix: Lower part which opens into the vagina; muscular ringCorpus: Main body of organEndometrium: lining of the uterus
25Vagina Canal which joins cervix to the outside of the body Also known as the “birth canal”
26The Female Reproductive System: External Structures Part 3
27Overview Mons pubis Labia majora Labia minora Hymen Bartholin’s glands ClitorisThese organs are collectively called the vulva
28Mons Pubis Adipose tissue (fat) lying above the pubic bone After puberty it enlarges and becomes covered with hairMons pubis
29Labia Majora “Large lips” Protects other external reproductive organs Comparable to the scrotum in malesProtects other external reproductive organsContain sweat and oil-secreting glands
30Labia Minora “Small lips” Located just inside the labia majora Surrounding the vaginal and urethral openingsNote: Males have one orifice for urine excretion and copulation while females have two separate orifices for these functions.
31Hymen Membrane which surrounds or partially covers the vaginal opening The opening to the vagina can vary in sizeDoes NOT fully cover the vaginal openingIn rare cases, the hymen may occlude the vaginal opening (imperforate hymen) and surgery may be required
32Hymen Usually wears away by puberty due to various causes Athletics Tampon/menstrual cup usageWashingSelf-exploration (masturbation)Even just walking!
33Bartholin’s Glands Located beside the vaginal opening Produce a mucosal secretionServes as lubrication for the labia during sexual intercourseThis is NOT the main source of vaginal lubrication
34Lubrication The vagina itself does NOT contain glands! The majority of the natural lubrication produced during arousal is actually plasma seepage due to vascular engorgementPlasma is the light yellow liquid in blood that holds the blood cells in suspension.Vascular engorgement in an eye
35Clitoris Small protrusion with an abundance of nerves Comparable to the penis in malesCovered by the prepuceComparable to the foreskin in malesBecomes erect during arousal