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Puberty

TEENSHEALTH: Click on the link for more information.

1. When your body reaches a certain age, your brain releases a special hormone that starts the changes of puberty. It's called ______.
2. The pituitary gland releases into the bloodstream two more puberty hormones: ______and ______.
3. For guys, these hormones travel through the blood and give the testes the signal to begin the production of ______.
4. For girls, the hormones stimulate the ovaries to begin producing another hormone called ______.
5. Puberty usually starts sometime between age ___ and ____ in girls and ____ and _____ in guys.

ContinueTaking Shape

1. List three changes that occur in guys:

1. List three changes that occur in girls:

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1. Label the diagrams:

What’s inside the female reproductive system?

1. What is called ovulation? ______
2. ______connect the ovaries to the uterus, and it is where the egg gets fertilized.
3. The ______— or womb — is where a baby would grow.
4. The ______is the narrow entryway in between the vagina and uterus.
5. The ______ is like a tube that can grow wider to deliver a baby that has finished growing inside the uterus. It is also known as the birth canal, and it is one place where sexual intercourse occurs.
6. The ______ covers the opening of the vagina. It is a thin piece of tissue that has one or more holes in it. Sometimes a hymen may be stretched or torn when you use a tampon or during a first sexual experience. If it does tear, it may bleed a little bit.

What’s outside the vagina?

1. The ______ covers the entrance to the vagina.
2. The ______ is the mound of tissue and skin above your legs, in the middle. This area becomes covered with hair when you go through puberty.
3. The ______ are the two sets of skin folds (often called lips) on either side of the opening of the vagina.
4. Is it normal for the labia to look different from each other? ______
5. The ______ is a small, sensitive bump at the bottom of the mons pubis that is covered by the labia minora. The clitoris is a small projection of erectile tissue in the vulva of the female reproductive system. It contains thousands of nerve endings that make it an extremely sensitive organ. Touch stimulation of the nerve endings in the clitoris produces sensations of sexual pleasure. The clitoris is structurally and functionally homologous to the penis of the male reproductive system, except that the clitoris does not contain the urethra and plays no role in urination.
6. The urinary opening, below the clitoris, is where your urine (pee) leaves the body.

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1. What is reproduction? ______
2. ContinueUnlike the male, the human female has a reproductive system that is located ______.
3. A female's internal reproductive organs are the ______, ______, fallopian tubes, and ______.
4. The ovaries are also part of the endocrine system because they produce female sex hormones such as ______and progesterone.
5. ContinueThe female reproductive system enables a woman to:

• ______
• ______
• ______
• ______

1. When a baby girl is born, her ovaries contain hundreds of thousands of ______which remain inactive until ______begins.
2. Toward the end of puberty, girls begin to release eggs as part of a monthly period called the ______.
3. What is menstruation? ______
4. ContinuePregnancy lasts an average of ______days — about 9______months
5. Things That Can Go Wrong. List one and describe it. ______

Those are the basics of the fabulous female. Are you curious about boys? You can read an article about the.MALE REPRODUCTIVE SYSTEM.

1. Label the diagram:

Scroll over the slide show for information about each part of the male reproductive system.

1. Seminal Vesiclessecrete a thick fluid that ______.
2. ______muscular sac that stores urine.
3. Prostate Gland: This walnutsized gland surrounds a portion of the urethra and ______in the semen.
4. ______, this thin muscular tube transports the sperm from the epididymis to the urethra.
5. The urethra is the tube that carries and out of the penis.
6. ______contains the testicles and epididymis.
7. The ______is made of two parts: the ______(the main part) and the ______(the tip, sometimes called the head). The penis delivers sperm through the urethra.
8. The two testicles (or ______) produce ______and the male sex hormone ______.
9. The ______is a lightcolored tube where sperm is ______.
10. These ______come from the father's ______and the mother's ______, which are produced by the male and female ______systems.
11. All boys are born with a ______, a fold of skin at the end of the penis covering the glans. Some boys have a ______which means that a doctor or clergy member cuts away the foreskin.

CONTINUE TO PAGE 4 at the bottom. Problems Affectingthe Male Reproductive System

1. List 2 and describe them.

• ______
• ______

Click on link and answer the question. What Is Delayed Puberty? ______

Click on the link and answer the question.Adjustingto aNewBody List one fact that you found interesting: ______

Click on the link and answer the question.What Causes My Voice to Change? List one fact that you found interesting: ______

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