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Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
Reproductive System
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Reproductive System

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Gr.11 Biology Project

Gr.11 Biology Project

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  • 1. The Human Reproductive System This explains what it is and how it works.
  • 2. C AUTION!! May Contain Images and some wording which may offend some students
  • 3. The Sex Organs
  • 4. Male Sex organs <ul><li>Testicles </li></ul><ul><li>Penis </li></ul><ul><li>Prepuce </li></ul><ul><li>Scrotum </li></ul><ul><li>Prostate </li></ul><ul><li>Seminal Vesicles </li></ul><ul><li>Epididymis </li></ul><ul><li>Cowper’s Glands </li></ul>
  • 5. Testicles <ul><li>Part of the Reproductive and Endocrine system </li></ul><ul><li>There are a pair (2) of Testicles </li></ul><ul><li>They Produce Sperm </li></ul><ul><li>They Produce male sex hormones such as Testosterone, luteinizing hormone, and follicle-stimulating hormone. </li></ul>
  • 6. Penis <ul><li>Erects to help get the sperm into the vagina </li></ul><ul><li>Allows urine to leave the body </li></ul>
  • 7. Prepuce <ul><li>To cover and bond with the synechia so as to permit the development of the mucosal surface of the glans and inner prepuce </li></ul><ul><li>To protect the infant’s glans from feces and ammonia in diapers </li></ul><ul><li>To protect the glans penis from friction and abrasion through life </li></ul><ul><li>To lubricate the glans </li></ul>
  • 8. Prepuce Cont… <ul><li>To keep the glans moisturized and soft with emollient oils </li></ul><ul><li>To coat the glans with a waxy protective substance </li></ul><ul><li>To provide sufficient skin to cover an erection by unfolding </li></ul><ul><li>To provide an aid to masterbation and foreplay </li></ul>
  • 9. Prepuce Cont… <ul><li>To serve as an aid in penetration </li></ul><ul><li>To reduce friction and chaffing during intercourse </li></ul><ul><li>To serve as an erogenous tissue due to its rich supply of erogenous receptors </li></ul><ul><li>To contact and stimulate the G – Spot of the female partner </li></ul>
  • 10. Scrotum <ul><li>Helps protect the Testicles </li></ul><ul><li>Used as a Climate controller for the Testicles so they can produce sperm </li></ul>
  • 11. Prostate <ul><li>Creates a fluid to nourish the sperm </li></ul>
  • 12. Seminal Vesicles <ul><li>Produces a sugar rich substance that provides the sperm with energy and helps the sperm to move </li></ul>
  • 13. Epididymis <ul><li>To transport and store sperm </li></ul><ul><li>To mature the sperm </li></ul>
  • 14. Cowper’s Glands <ul><li>Prod uces a clear liquid which empties into the urethra which lubricates the urethra and to eliminate an y acidity of any urine which may have fell into the urethra </li></ul>
  • 15. Female Sex Organs <ul><li>Ovaries </li></ul><ul><li>Clitoris </li></ul><ul><li>Vulva </li></ul><ul><li>Labia </li></ul><ul><li>Skene’s Gland </li></ul><ul><li>Bartholin’s Glands </li></ul>
  • 16. Female Sex Organs Cont… <ul><li>Vagina </li></ul><ul><li>Cervix </li></ul><ul><li>Uterus </li></ul><ul><li>Fallopian Tubes </li></ul>
  • 17. Ovaries <ul><li>Usually Purple </li></ul><ul><li>There are usually a pair (2) of Ovaries </li></ul><ul><li>Produce Eggs </li></ul><ul><li>Homologous to male Testicles </li></ul><ul><li>Produce steroid and peptide hormones such as Estrogen, and Progesterone </li></ul>
  • 18. Clitoris <ul><li>Solely meant for one thing….. </li></ul><ul><li>Sexual pleasure </li></ul>
  • 19. Vulva <ul><li>Protects sexual and urinary organs </li></ul><ul><li>Vulva stretches to accommodate child birth </li></ul>
  • 20. Labia <ul><li>Are generally the “lips” of the vulva </li></ul>
  • 21. Skene’s Gland <ul><li>Drains Urethra </li></ul><ul><li>Swells with blood during sexual arousal </li></ul>
  • 22. Bartholin’s Glands <ul><li>Secrete mucus for lubrication of the vestible </li></ul><ul><li>Sexual stimulation increases mucus production </li></ul>
  • 23. Vagina <ul><li>This is where the embryo grows into a fetus during pregnancy </li></ul><ul><li>Serves as a “Two way street” </li></ul><ul><li>Area which accepts the penis </li></ul><ul><li>Area where the baby leaves the female </li></ul>
  • 24. Cervix <ul><li>Directs sperm to uterus during intercourse </li></ul><ul><li>Brings menstrual blood from uterus to the vagina </li></ul>
  • 25. Uterus <ul><li>Conduit for sperm transport </li></ul><ul><li>Site for implantation of ova </li></ul><ul><li>Placentation (Transfering of food to fetus) </li></ul><ul><li>Growth and development of the fetus </li></ul><ul><li>Parturition (labour and delivery) </li></ul>
  • 26. Fallopian Tubes <ul><li>A pair (2) of the Fallopian Tubes </li></ul><ul><li>Place where fertillization of the ova happens </li></ul><ul><li>Transports Ova to the uterus </li></ul>
  • 27. Female Reproductive Cycle Rundown <ul><li>Firstly female produces eggs and readies them for fertilization </li></ul><ul><li>If fertilization occurs, female houses and nourishes the developing embryo until birth </li></ul><ul><li>After birth female feeds baby with milk </li></ul>
  • 28. Male Reproductive Cycle Rundown <ul><li>Male produces and readies sperm </li></ul><ul><li>Sperm gets released into female and fertilizes ova </li></ul><ul><li>Male provides main source of income to help feed and nourish baby </li></ul><ul><li>(For a while anyways) </li></ul>
  • 29. Female Hormones <ul><li>Different functions are controlled by hormones </li></ul><ul><li>Changing the hormone concentration in their blood ensures that each of these functions are timed correctly </li></ul><ul><li>Puberty begins at the age of 10 - 14 </li></ul><ul><li>Lutienzing and follicle stimulating hormone start puberty </li></ul><ul><li>They also stimulate production of the estrogen hormone </li></ul>
  • 30. Male Hormones <ul><li>Different functions are controlled by different hormones </li></ul><ul><li>Changing the hormone concentration in the blood ensures that each function is timed properly </li></ul><ul><li>Puberty begins at the ages of 12 - 15 </li></ul><ul><li>Luteinzing and follicle stimulating hormone start puberty </li></ul><ul><li>Also stimulates the production of testosterone </li></ul>
  • 31. Pregnancy <ul><li>Occurs in female </li></ul><ul><li>3 Trimesters: 1st Trimester wk1- wk12, 2nd Trimester wk13-wk26, 3rd Trimester wk27-wk40 </li></ul><ul><li>After Sperm has been introduced into the female body it goes up the vagina, up the fallopian tubes, then fertilizes the Ova </li></ul><ul><li>Fertilization occurs about 48 hrs after sex </li></ul>
  • 32. Pregnancy Cont... <ul><li>Of the 4 million or so sperm only 1 will enter the Ova </li></ul><ul><li>For the next 3 or 4 days the fertilized ova will move down the womb and drop into the uterus </li></ul>
  • 33. Diseases (STD)
  • 34. Candidiasis (Yeast infection) <ul><li>A fungal STD </li></ul><ul><li>Symptoms include: itching, burning, soreness, irritation of the Vagina and/or Vulva, and a whitish/whitish gray discharge </li></ul><ul><li>Treatments are: Antimycotics (anti fungal drugs) - Clotrimazole, Nystatin, Fluconazole, Ketoconazole, and in extreme cases Amphotericin B, Caspofungin, and Voriconazole could be used </li></ul>
  • 35. Herpes <ul><li>A Viral STD </li></ul><ul><li>Symptoms include: Itching, swelling, sore when touched, eventual abscessing, headaches, fatigue and twiching in the out brake area </li></ul><ul><li>Treatments are: Anti viral medications - Zovirax, Valtrex, Famvir, Penciclovir, Abreva, Tromantadine, and Cimetidine can be used. </li></ul>
  • 36. Menstruation <ul><li>Is the Period (says female is ready to reproduce) </li></ul><ul><li>Build up of lining in uterus </li></ul><ul><li>Dropping of an egg (ova) </li></ul><ul><li>Egg usually released on day 14 of the menstruation cycle </li></ul>
  • 37. Erection <ul><li>Male is ready to reproduce or is sexually aroused </li></ul><ul><li>Penis enlarges </li></ul><ul><li>Readies sperm for ejaculating into the vagina </li></ul>
  • 38. Sexual Intercourse <ul><li>The physical action of sex </li></ul><ul><li>Part where the penis enters the vagina </li></ul><ul><li>Orgasm occures to show that sexual fluids have been successfully released </li></ul><ul><li>Physical part of reproduction </li></ul>
  • 39. Credits.. <ul><li>Ryan Conway </li></ul><ul><li>Simon Potter </li></ul><ul><li>Ryan Bettencourt </li></ul><ul><li>Taylor Craig </li></ul>
  • 40. Resources <ul><li>http://www.biotopics.co.uk/human2/reprsy.html </li></ul><ul><li>http://en.wikipedia.org/wiki/Sex_organ </li></ul><ul><li>http://en.wikipedia.org/wiki/Testicle </li></ul><ul><li>http://www.dermlectures.com/LecturesWMV.cfm?lectureID=77 </li></ul><ul><li>http://www.cirp.org/pages/anat/ </li></ul><ul><li>http://www.cchs.net/health/health- info/docs/2300/2376.asp?index=9117 </li></ul>
  • 41. Resources <ul><li>http://en.wikipedia.org/wiki/Yeast_Infection </li></ul><ul><li>http://en.wikipedia.org/wiki/Intercourse </li></ul><ul><li>http://en.wikipedia.org/wiki/Herpes </li></ul><ul><li>http://en.wikipedia.org/wiki/Erection </li></ul><ul><li>http://health.howstuffworks.com/human- reproduction4.htm </li></ul><ul><li>http://find.galegroup.com/ips/retrieve.do?subjectParam=Locale%2528en%252C%252C%2529%253AFQE%253D%2528su%252CNone%252C29%2529reproductive%2Bsystem%2Band%2Bhuman%2524&contentSet=GSRC&sort=DateDescend&tabID=T001&sgCurrentPosition=0&subjectAction=DISPLAY_SUBJECTS&prodId=IPS&searchId=R1&currentPosition=1&userGroupName=ko_k12hs_d54&resultListType=RESULT_LIST&sgHitCountType=None&qrySerId=Locale%28en%2C%2C%29%3AFQE%3D%28ke%2CNone%2C29%29reproductive+system+and+human%24&inPS=true&searchType=BasicSearchForm&displaySubject=&docId=EJ2644300829&docType=GSRC </li></ul>
  • 42. Resources <ul><li>http://www.bbc.co.uk/health/mens_health/body_hormones.shtml </li></ul>
  • 43. Other parts of our presentation <ul><li>We have a Bristol Board with some images </li></ul>

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