EQ: What are the parts and functions of the MRS?
Male Reproductive System Functions to produce the male reproductive cell,  sperm Sperm production begins during puberty,...
MRS VocabPenis          Seminal VesicleScrotum        ProstateTestes         Cowper’s GlandEpididymis     Urethra...
Penis          Male sex organ                 Used for sexual                  reproduction and to                  elim...
 Male sex glandsTestes    Make testosterone – male sex           hormone          Produce sperm –          male reprod...
• 2 long tubes, connects w/             epididymis& urethraVas        • Line with cilia to help move spermDeferens   • Loo...
•   Located below the bladder           •   Secretes milky, alkaline fluidProstate           •   Major part of semen      ...
• Passageway for sperm & urineUrethra   • Impossible to leave at the same            time!             • A mixture of sper...
Class ActivityWrite a story about Winston’s life.Winston is a sperm. Write abouthis childhood all the way toadulthood. Inc...
Testicular Cancer                     Prostate Cancer Most common cancer in                Most common cancer in  men ag...
Nocturnal Emission During puberty, hormones cause the glands in the    reproductive system to begin producing fluids that...
Sterility Male condition where the sperm a weak, malformed,  sparse or nonexistent, or unable to join an ovum (egg) Fert...
Keeping the MRS Healthy Cleanliness of uncircumcised penis    Smegma can get trapped under the foreskin (dead cells     ...
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Mrs

  1. 1. EQ: What are the parts and functions of the MRS?
  2. 2. Male Reproductive System Functions to produce the male reproductive cell, sperm Sperm production begins during puberty, usually between 12-15 years old Pituitary gland secrets a hormone that causes testes to begin producing testosterone; testosterone causes testes to begin producing sperm
  3. 3. MRS VocabPenis Seminal VesicleScrotum ProstateTestes Cowper’s GlandEpididymis UrethraVas Deferens
  4. 4. Penis  Male sex organ  Used for sexual reproduction and to eliminate waste  Sac that holds the testesScrotum  Controls temperature*Seminiferous Tubules – long, threadlike tubesinside testes where sperm is produced
  5. 5.  Male sex glandsTestes  Make testosterone – male sex hormone  Produce sperm –  male reproductive cell  Coiled structures on theEpididymis backside of each testicle  Sperm are matured and stored
  6. 6. • 2 long tubes, connects w/ epididymis& urethraVas • Line with cilia to help move spermDeferens • Loops over pubic bone, around bladder, through prostate, becomes ejaculatory duct that opens into urethraSeminal •2 “fluid filled pouches” •Secrete fluid that mixes w/ spermVesicle •Makes sperm mobile •Provides nourishment
  7. 7. • Located below the bladder • Secretes milky, alkaline fluidProstate • Major part of semen • Protects sperm by neutralizing acidity of urethra and vagina • Opens into urethraCowper’s • Secretes clear, sticky fluid to cleanse urethra to makeGland safe passageway for sperm
  8. 8. • Passageway for sperm & urineUrethra • Impossible to leave at the same time! • A mixture of sperm &Semen fluids from seminal vesicles, prostate, and Cowper’s gland
  9. 9. Class ActivityWrite a story about Winston’s life.Winston is a sperm. Write abouthis childhood all the way toadulthood. Include whereWinston lives and how he travels.Be creative!
  10. 10. Testicular Cancer Prostate Cancer Most common cancer in  Most common cancer in men ages 15-34 men If caught early, can be treated  Symptoms include: frequent properly & effectively urination; difficulty, pain or 1st sign is a slight enlargement burning when urinating; and change of consistency blood in urine, lingering pain (i.e. lump) in testicle, or fluid in back, hips, or pelvis. or blood in the scrotum  No early symptoms  Only prevention is regular examinations by a doctor
  11. 11. Nocturnal Emission During puberty, hormones cause the glands in the reproductive system to begin producing fluids that contain sperm The body relieves this pressure while the male is asleep The penis becomes erect and he will have an ejaculation May or may not be accompanied by a dream If a male has a dream dealing with sexual content, and has a nocturnal emission, this is known as a “wet dream”
  12. 12. Sterility Male condition where the sperm a weak, malformed, sparse or nonexistent, or unable to join an ovum (egg) Fertility does not take place Causes: temperature changes, exposure to certain chemicals, smoking, getting mumps as a adult, an untreated STD, a faulty operation of epididymis, vas deferens, or urethra
  13. 13. Keeping the MRS Healthy Cleanliness of uncircumcised penis  Smegma can get trapped under the foreskin (dead cells and glandular secretions)  Can cause irritation or infection if not cleaned regularly Testicular self-examinations  Should be done monthly! The male rolls each testicle gently between the thumb and fingers of both hands. If there are any hard lumps, check with the doctor!

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