Reproductive System
The reproductive system is what is responsible for keeping the human race alive and well. It is also the system that is most different between males and females and is what makes us males and females. The female reproductive system is where eggs are made and stored, where fertilization takes place, and where a zygote slowly becomes a baby. The male reproductive system is where sperm is made and stored. Both systems are structurally and functionally different, yet they must work together to serve their function.
Function
The reproductive system is what is responsible for keeping the human race alive and well. It is also the system that is most different between males and females and is what makes us males and females. The female reproductive system is where eggs are made and stored, where fertilization takes place, and where a zygote slowly becomes a baby. The male reproductive system is where sperm is made and stored. Both systems are structurally and functionally different, yet they must work together to serve their function.
Function
- reproduction and continuity of the species
Male reproductive system
Making of the Sperm
The male reproductive system is responsible for making sperm, which is the smallest cell in the human body. Sperm comes from a sperm stem cell called spermatogonia. This stem cell goes through meiosis to make four new sperm cell called spermatozoa. The spermatozoa cells then develop tails during spermiogenesis. This process called spermatogenesis takes place in the seminiferous tubules of the testis. Hormones of the system Testosterone- produced by testes; stimulates by luteinizing hormone; cause the appearance of secondary sex characteristics. Structure- main organs Testis- male gonads; the primary organ of the male reproductive system. surrounded by a fibrous connective tissue called tunica albuginea. makes sperm and testosterone epididymis-a highly coiled tube that is attached to the posterior part of the testes. storage site for immature sperm cells ducts deferens- connects the testes to the urinary bladder penis- the delivery system of the reproductive system. urethra- extends from the urinary bladder to the tip of the penis prostrate gland-makes a fluid that plays a role in activating sperm |
Female reproductive system
Making of the Egg
The female reproductive system is responsible for making eggs, which are the largest cells of the body. Eggs are made from oogonia, egg stem cells. Oogonia go through oogenesis, where the stem cell goes through meiosis. Unlike in spermatogenesis, oogenesis only makes one working egg. The other three degenerate. This process takes place in the ovaries and leaves the new egg with 23 chromosomes, just like the new sperm. Hormones of the System estrogens- produced by ovaries; cause the appearance of secondary sex characteristics progesterone- produces by corpus lutem and by the placenta during pregnancy; main effects show during pregnancy, inhibits the contractions of the myometrium of the uterus and helps the breasts make milk Structure- main organs ovaries- female gonads; primary organ of the female reproductive system; makes egg cells and estrogen; is made up of follicles (consists of an immature egg and a few layers of follicle cells) once the egg leaves the ovary, it becomes a corpus luteum fallopian tubes- where fertilization occurs; connects the ovaries to the uterus uterus-a hollow organ that receives, retains, and nourishes a fertilized egg; suspended by pelvis and stretches during pregnancy cervix- part of the uterus that extends into the vagina vagina- a thin-walled tube that connects the uterus to the exterior of the body. Provides a passageway for delivery and receives the penis during sexual intercourse |
Important words to remember
Fertilization: The union of an egg and a sperm that initiates the development of a new individual with genetic material from both parents
Menstruation: The monthly shedding of the uterine lining and blood in a nonpregnant female.
Puberty: The period of development of the sexual structures and secondary sexual characteristics in humans and higher primates.
Fertilization: The union of an egg and a sperm that initiates the development of a new individual with genetic material from both parents
Menstruation: The monthly shedding of the uterine lining and blood in a nonpregnant female.
Puberty: The period of development of the sexual structures and secondary sexual characteristics in humans and higher primates.
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THIS QUIZ WILL INCLUDE THE INFORMATION IN TEXT AND ALSO SOME OF THE DETAILS THAT ARE INCLUDED IN THE SLIDESHOW PICTURES..... ARE YOU UP FOR THE CHALLENGE? TAKE A LOOK AT ALL THE SYSTEMS AND GIVE IT A SHOT!
http://1.bp.blogspot.com/-Me_UCeO2FTQ/UCNHNHhw6zI/AAAAAAAAEzE/8Gl0Bwnoy9o/s1600/female+reproductive.jpg
http://www.infertilitybooks.com/onlinebooks/malpani/images/02c_malereproductivesystem_side.jpg
video-https://www.youtube.com/watch?v=_7rsH2loIY8
quizzes made at http://makeaquiz.net/index.php
http://www.infertilitybooks.com/onlinebooks/malpani/images/02c_malereproductivesystem_side.jpg
video-https://www.youtube.com/watch?v=_7rsH2loIY8
quizzes made at http://makeaquiz.net/index.php