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SEX!!!!!!Brittany RobinsonHealth and PE

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The Reproductive System is the organs thatare involved in sexual intercourse and in-turnreproduction Made up of internal and external organs; also

includes hormones and glands

Lets Start with the Parts:

The reproductive system

begins to mature atpuberty; whentestosterone begins tospike

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Penis: A tube shaped organ that extends

from the body just above the testes

The Male Side

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At birth, the penis has a covering of thin loose

skin calledForeskin

that covers the head

Often, this foreskin is removed at birth. Thisprocedure is known as a Circumcision.

The Male Side

In the U.S. 60-70% ofbaby boys arecircumcised.

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Research what cultures/ religions havediffering views on this subject.

Find at least three differentcultures/religions and what their viewsare.

To Circumcise or Not?

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Pros of Circumcision:

Can reduce the prevalence of HIVSub-Sahara Africa = 68% decrease

Decreased risk of urinary tract

infectionsNo risk of infections surrounding

foreskin

To Circumcise or Not?

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Cons of Circumcision:

May increase meatitis-inflammation of the opening ofthe penis

May decrease sexual satisfactionfor both partners

To Circumcise or Not?

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There is major controversy over whether ornot circumcising new-born babies is ethical ornot.

Do you think that this is a violation of the

infants human rights/freedom of choice?

http://www.youtube.com/watch?v=--KVD3tcmhM

To Circumcise or Not?

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Scrotum: external skin sac that contains the testes

Testes/ Testicles: are two small glands that producesperm

The Male Side

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Sperm is the male reproductive cell

The Male Side

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The scrotum protects the sperm in the testes, it alsohelps keep the sperm at 98.6 degrees F, or normalbody temperature.

If its too warm, the suspensory ligament and scrotummuscles drop the testes down.

If its too cold, the opposite occurs, and pulls thetestes in closer to the body.

The Male Side

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When puberty hits, the testes start to secrete

testosterone and producing sperm.

This increase in testosterone and the presence ofsperm results in the ability for males to experience anerection.

An erection occurs when there is an increase in bloodflow to the penis.

The Male Side

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Many different things can cause this increase in blood

flow, especially during pubescent years.

Even the friction of clothing can sometimes causearousal. This can be a cause of embarrassment formany young males.

The Male Side

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The Male Side

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At the onset of sexual stimulation, the male reproductivesystem begins producing pre-ejaculate fluid.

This fluid is a clear mucous like liquid produced andsecreted through the urethra in order to balance the pHfrom the acidity of urine to a safe level for the passage ofsperm. This fluid can also serve as a natural lubricant.

On rare occasion, pre-ejaculate fluid may contain sperm.

Therefore, it is difficult to say that withdrawal (or withdrawingthe penis before full ejaculation) is a safe practice forcontraception.

The Male Side

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When the male reaches the peak of sexual arousal, aseries of muscular contractions begin to occur.

These contractions bring the sperm through thereproductive pathways, mixing it in with other thingsto be secreted.

The Male Side

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Eventually all is secreted through the penis(more specifically the urethra) in a substancecalled semen.

Semen is a thick white or greyish fluid thatcontains sperm and other secretions from the

male reproductive system. Other substances in semen include proteins,

sugars, citric acid, and potassium.

The Male Side

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The average volume of semen producedin a single ejaculation varies from 2 to 5ml.

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The semen from a single ejaculation maycontain between 40 million and 600million sperm, depending on the volumeof the ejaculate and the length of timesince the last ejaculation.

The Male Side

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The Male Side

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This amount of sperm is alarming considering it takes

only one sperm to fertilize a female egg.

http://www.youtube.com/watch?v=65BV5dXXxzM

The Male Side

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Problems with male reproductive organs

Impotence Sterility

Inguinal Hernia

Testicular Cancer

The Male Side

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Impotence: consistent inability to sustain an erectionsufficient for sexual activity or the inability to achieve

ejaculation Risk of this problem increases with age

Other causes: Poor diet

Lack of physical activity

Diabetes

Smoking

Alcohol

Depression

Stress

The Male Side

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Treatment:

Stopping any activity that may cause the problem

Prescription medication

The Male Side

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http://www.youtube.com/watch?v=Xk9JwV8sZTs

http://www.youtube.com/watch?v=LErirfXcWp0&feature=related

http://www.youtube.com/watch?v=cDLTtUAdm10&feature=related

The Male Side

http://www.youtube.com/watch?v=Xk9JwV8sZTshttp://www.youtube.com/watch?v=LErirfXcWp0&feature=relatedhttp://www.youtube.com/watch?v=LErirfXcWp0&feature=relatedhttp://www.youtube.com/watch?v=cDLTtUAdm10&feature=relatedhttp://www.youtube.com/watch?v=cDLTtUAdm10&feature=relatedhttp://www.youtube.com/watch?v=cDLTtUAdm10&feature=relatedhttp://www.youtube.com/watch?v=cDLTtUAdm10&feature=relatedhttp://www.youtube.com/watch?v=LErirfXcWp0&feature=relatedhttp://www.youtube.com/watch?v=LErirfXcWp0&feature=relatedhttp://www.youtube.com/watch?v=Xk9JwV8sZTs

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Sterility: male infertility> the inability to producesperm

Causes:

Environmental factors

Exposure to radiation

Hormone changes

Use of drugsAnabolic Steroids

The Male Side

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Tight clothing that restricts the movement of thescrotum may hinder the production of sperm.

The Male Side

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Inguinal Hernia: Separation of tissue allowing the intestine topush through the abdominal wall near the top of the scrotum

The Male Side

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Causes: Lifting heavy objects and or straining the

abdominal muscle Symptoms:

Lump in Groin Area near the thigh

Pain in groin

SEVERE: partial or complete intestinal blockage

Surgery is usually necessary

The Male Side

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Testicular Cancer

WORKSHEET!!!

The Male Side

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http://www.youtube.com/watch?v=Ti-xjqthyAE

http://www.youtube.com/watch?v=IL_litNJdfg&feature=relmfu

The Male Side

http://www.youtube.com/watch?v=Ti-xjqthyAEhttp://www.youtube.com/watch?v=Ti-xjqthyAEhttp://www.youtube.com/watch?v=Ti-xjqthyAEhttp://www.youtube.com/watch?v=Ti-xjqthyAE

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Use this website:http://kidshealth.org/parent/general/body_basics/male_repro

ductive.html#

And do the male reproductive overview worksheet

The Male Side

http://kidshealth.org/parent/general/body_basics/male_reproductive.htmlhttp://kidshealth.org/parent/general/body_basics/male_reproductive.htmlhttp://kidshealth.org/parent/general/body_basics/male_reproductive.htmlhttp://kidshealth.org/parent/general/body_basics/male_reproductive.htmlhttp://kidshealth.org/parent/general/body_basics/male_reproductive.html

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The Male Side

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The Male Side

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