Teaching teens about reproductive organs can be an uncomfortable task. Taking this topic in a scientific approach will relieve much of that stress. Reproductive organs apply to everyone. This is the anatomy of our bodies and from a scientific standpoint, it’s not any different than discussing the heart, brain, etc.
Human Reproduction - The path of reproductive cells
Storyboard Text
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PATH OF REPRODUCTIVE CELLS
Reproduction
Reproduction can be a complicated process. Let's break it down and find out how it works!
Reproduction can be made simple by following the development and path of reproductive cells.
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REPRODUCTIVE CELLS
Sperm cells are the male reproductive cells formed in the testes. An egg is the female reproductive cell formed in the ovaries.
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TESTIS
Testes are egg-shaped organs where the sperm is produced. Testes are made up tightly coiled tubes called seminiferous tubules.
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EPIDIDYMIS
After being produced in the seminiferous tubules, sperm travel to the epididymis, where they mature.
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VAS DEFERENS
The vas deferens is a long tube that connects the epididymis to the urethra. This is the path for sperm cells.
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PROSTATE
The prostate secretes an alkaline (basic) fluid that neutralizes the acids in the female reproductive system.
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SEMINAL VESICLES
Seminal vesicles produce a fluid rich in sugars that sperm use for energy. This fluid, added with the fluid from the prostate gland, will be combined with sperm cells to make semen.
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URETHRA AND PENIS
Sperm leave the body by passing through the urethra. The penis deposits sperm in the female reproductive system during sexual activity.
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OVARIES
Each month, the female reproductive system prepares for a possible pregnancy by releasing a mature egg cell from the ovaries.
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VAGINA
The vagina is a muscular canal that leads from the outside of the body to the uterus. Sperm cells enter through the vagina during intercourse.
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CERVIX
The cervix is a narrow portion at the bottom of uterus that provides an opening to the uterus from the vagina. The cervix will need to dilate during labor.
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UTERUS
The uterus is a hollow, muscular organ which expands during pregnancy. The uterine walls build up and break down during the ovulation cycle, causing menstruation.
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FERTILIZATION
When a sperm cell and egg unite, cell division begins. If fertilization takes place, it will happen in the fallopian tubes.
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FALLOPIAN TUBES
The fallopian tubes serve as a passageway for the ovum from the ovary to the uterus. Smooth muscle contractions and cilia move ovum towards the uterus.
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UTERUS
If an ovum is fertilized, it will implant in the wall of the uterus, starting the first stages of pregnancy.
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PATH OF REPRODUCTIVE CELLS
Reproduction
The first signs of pregnancy usually show up after about two weeks. About half the time, a fertilized egg does not implant and pregnancy will not begin.