SEX!!!!!!Brittany Robinson

Health and PE

The ______________is the organs that are involved in sexual intercourse and in-turn reproduction Made up of internal and external organs;

also includes hormones and glands

Let’s Start with the Parts:

The reproductive system begins to mature at ______; when testosterone begins to spike

______: A tube shaped organ that extends from the body just above the testes

The Male Side

At birth, the penis has a covering of thin loose skin called _________ that covers the head

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

The Male Side

In the U.S. 60-70% of baby boys are circumcised.

Research what cultures/ religions have differing views on this subject.

Find at least three different cultures/religions and what their views are.

To Circumcise or Not?

Pros of Circumcision: Can reduce the prevalence of

HIV Sub-Sahara Africa = 68% decrease

Decreased risk of urinary tract infections

No risk of infections surrounding foreskin

To Circumcise or Not?

Cons of Circumcision: May increase ________- inflammation of the opening of the penis

May decrease sexual satisfaction for both partners

To Circumcise or Not?

There is major controversy over whether or not circumcising new-born babies is ethical or not.

Do you think that this is a violation of the infant’s human rights/freedom of choice?

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

To Circumcise or Not?

________: external skin sac that contains the testes

____________: are two small glands that produce sperm

The Male Side

_________ is the male reproductive cell

The Male Side

The scrotum protects the sperm in the testes, it also helps keep the sperm at 98.6 degrees F, or normal body temperature.

If it’s too warm, the suspensory ligament and scrotum muscles drop the testes down.

If it’s too cold, the opposite occurs, and pulls the testes in closer to the body.

The Male Side

When puberty hits, the testes start to secrete ________ and producing sperm.

This increase in testosterone and the presence of _________ results in the ability for males to experience an erection.

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

The Male Side

Many different things can cause this increase in blood flow, especially during pubescent years.

Even the friction of clothing can sometimes cause arousal. This can be a cause of embarrassment for many young males.

The Male Side

The Male Side

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

This fluid is a clear mucous like liquid produced and secreted through the urethra in order to balance the pH from the acidity of urine to a safe level for the passage of sperm. 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 withdrawing the penis before full ejaculation) is a safe practice for contraception.

The Male Side

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

These contractions bring the sperm through the _______________, mixing it in with other things to be secreted.

The Male Side

Eventually all is secreted through the penis (more specifically the urethra) in a substance called____________.

Semen is a thick white or greyish fluid that contains sperm and other secretions from the male reproductive system.

Other substances in semen include _________, sugars, citric acid, and potassium.

The Male Side

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

The Male Side

The semen from a single ejaculation may contain between ________________, depending on the volume of the ejaculate and the length of time since the last ejaculation.

The Male Side

The Male Side

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

Problems with male reproductive organs Impotence Sterility Inguinal Hernia Testicular Cancer

The Male Side

___________: consistent inability to sustain an erection sufficient 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

Treatment: Stopping any activity that may cause the problem Prescription medication

The Male Side

http://www.youtube.com/watch?v=Xk9JwV8sZTs http://www.youtube.com/watch?v=LErirfXcWp0&fea

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

eature=related

The Male Side

___________: male infertility> the inability to produce sperm

Causes: Environmental factors Exposure to radiation Hormone changes Use of drugs Anabolic Steroids

The Male Side

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

The Male Side

____________: Separation of of tissue allowing the intestine to push through the abdominal wall near the top of the scrotum

The Male Side

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

Testicular Cancer WORKSHEET!!!

The Male Side

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

v=IL_litNJdfg&feature=relmfu

The Male Side

Use this website: http://kidshealth.org/parent/general/body_basics/male_reproductive.html#

And do the male reproductive overview worksheet

The Male Side

The Male Side

The Male Side