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Human reproduction employs internal fertilization, and depends on the integrated action of hormones, the nervous system, and the reproductive system. Gonads are sex organs that produce gametes. Male gonads are the testes, which produce sperm and male sex hormones.
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www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookREPRO...
www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookREPROD.html
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Reproductive system - Wikipedia, the free encyclopedia
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The reproductive system is a system of organs within an organism which work together for the purpose of reproduction. Many non-living substances such as fluids, hormones, and pheromones are also imp...
en.wikipedia.org/wiki/Reproductive_system
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In addition, both the male and the female reproductive systems do not perform their function continuously from birth onwards in the same way as, for instance, the respiratory system and the digestive system! In fact, the reproductive organs do not start to function until puberty.
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www.biotopics.co.uk/human2/reprsy.html
www.biotopics.co.uk/human2/reprsy.html
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The organs of the male reproductive system are specialized for the following functions: ... Most of the male reproductive system is located outside of the man’s body. The external structures of the male reproductive system are the penis, the scrotum and the testicles. ... How does the male reproductive system function?
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www.cchs.net/health/health-info/docs/2300/2376.asp
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A discussion of the human male and female reproductive systems follows. ... The male reproductive system is illustrated to the right. Sperm are produced in the testes located in the scrotum. Normal body temperature is too hot thus is lethal to sperm so the testes are ... The prostate needs a lot of zinc to function properly,
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biology.clc.uc.edu/courses/bio105/reproduc.htm
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The Female Reproductive System ... This is the name for the sex gland that is similar in function to the male testicle. They are two in number and are located on either side ... Human beings reproduce in much the same way as other mammals. There is need for both male and female to be involved in the human reproductive process.
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library.thinkquest.org/2935/Natures_Best/Nat_Best_Low_L...
library.thinkquest.org/2935/Natures_Best/Nat_Best_Low_Level/Reproductive_page.L.html
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Here are sites for learning about the Structure and Function of the Human Reproductive System ... Anatomy & Physiology; Study Activities for Understanding Human Reproduction ... Draw and label the structures of the human reproductive system.
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www.seorf.ohiou.edu/~tstork/compass.rose/anat.reproduct...
www.seorf.ohiou.edu/~tstork/compass.rose/anat.reproduction.links.html
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The penis becomes erect through a complex interaction of physiologic and psychologic factors. ... Contractions during ejaculation impel semen into the urethra and out of the penis. ... During sexual activity, the penis becomes erect, enabling penetration during sexual intercourse. An erection results from a complex interaction...
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www.merck.com/mmhe/sec21/ch237/ch237c.html
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Reproductive Function in Human Immunodeficiency Virus Infection1 ... Unlike the direct or associated pathologic effects of HIV infection on ovaries, the abnormalities in menstrual cycle and reproductive function have been better characterized in the last decade.
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jcem.endojournals.org/cgi/content/full/86/6/2338
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