Chapter 18 Male Reproductive System

Function of the Male Reproductive System To make sperm: the male sex cell To fertilize the egg cell: the female sex cell

Testes Make sperm 50,000 per minuteMake sperm 50,000 per minute Produce testosterone: main sex hormone of malesProduce testosterone: main sex hormone of males

Scrotum Skin-covered sac that hangs from the body Lower temperature for sperm production; 1 degree cooler than body temperature

Penis Removes urine from the bodyRemoves urine from the body Delivers sperm to the female vaginaDelivers sperm to the female vagina

Penis Changes Erection: blood vessels fill with bloodErection: blood vessels fill with blood Ejaculation: sperm released from the penis after arousalEjaculation: sperm released from the penis after arousal Wet Dream: also known as a nocturnal emission.Wet Dream: also known as a nocturnal emission.

Epididymis Coiled tube where sperm mature and are storedCoiled tube where sperm mature and are stored It takes 2-10 days to matureIt takes 2-10 days to mature

Vas Deferens Tubes the sperm pass through to get fluids added (SEMEN)Tubes the sperm pass through to get fluids added (SEMEN)

Prostate Cancer Early detection is key, delaying treatment can be deadlyEarly detection is key, delaying treatment can be deadly Primarily in older menPrimarily in older men Not common in men under age 45Not common in men under age 45

Hernia (Inguinal Hernia) Hernia is the protrusion of an organ through the wall that normally contains it.Hernia is the protrusion of an organ through the wall that normally contains it. Inguinal hernia occurs in the groin area, when an organ, usually a part of the intestine, protrudes through the abdominal wall into the inguinal canal. The inguinal canal carries the spermatic cord in men. Inguinal hernia occurs in the groin area, when an organ, usually a part of the intestine, protrudes through the abdominal wall into the inguinal canal. The inguinal canal carries the spermatic cord in men. Symptoms- bulge in groin areaSymptoms- bulge in groin area Causes: Abdominal Wall Weakness, StrainCauses: Abdominal Wall Weakness, Strain Treatments: SurgeryTreatments: Surgery

Testicular Cancer Most common in ages 15–35Most common in ages 15–35 Genetic linkGenetic link Pass out Self Examination handoutPass out Self Examination handout

5 Ways to Keep Healthy Wear appropriate protective gear “CUP” when playing sportsWear appropriate protective gear “CUP” when playing sports Avoid wearing tight clothing (sperm production)Avoid wearing tight clothing (sperm production) Wash every day, and dry carefullyWash every day, and dry carefully Perform a monthly testicular self examPerform a monthly testicular self exam Have an annual checkupHave an annual checkup