chapter 28
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A mans reproductive capacity is directly associated with what?? | Sexual excitement, penile erection, ejaculation.
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| The male reproductive system consist of what??? | testes, ductal system and seminal vesicles, Scrotum, penis, and accessory glands
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| what is the purpose of the testes?? | to produce spermatozoa and other sex hormones
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| what is the purpose of the ductal system and seminal vesicles? | to store and transport sperm
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| what is the purpose of the scrotum?? | Supports and protects the testes and regulates their temperature
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| What is the purpose of the penis? | It is required for sperm deposit in the female
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| What role does the accessory organs play?? | they secrete hormones and other secretions
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| What is the perineum?? | The area between the scrotum and the anus
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| what part within the testes produces sperm? | seminiferous tubules and the cells lining the tubules
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| Epididymis | comma shaped organ that is attached to the posterior surface of the testes and is 20 ft long but can barely be seen with the naked eye and stores sperm cells ...many sperm cells here are in the final stage of maturation
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| What propels sperm cells through the abdominal cavity? | peristaltic contractions
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| What are nocturnal emissions??? | When pubescent boys experience penile erection or spontaneous ejaculation during sleep
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| What is a common spot for herniation in men and is also where the testicles descend into the scrotum before birth? | the inguinal canal
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| What is a vasectomy? | When both of the deferens ducts are tied or cut for sterilization for males ( It does not affect erection or ejaculation...it simply prevents sperm from passing through)
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| semen mixed with various secretions is called what? | Ejaculatory fluid
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| The external appearance of the scrotum depends on what? | The environmental conditions and the contraction of its muscles
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| Cremasteric reflex | when the cremasteric muscles involuntarily contract and tighten the spermatic cord to bring the testicles closer to the body as the external temp lowers
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| Why is it important that the temperature of the testicles be maintained? | To facilitate sperm production
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| spermatogenesis | Sperm production
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| In addition to reacting to temperature changes...the cremasteric reflex also pulls testicles closer together during... | severe danger or a fight for protection, and during sexual intercourse
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| What do the reproductive systems work together to do? ` | to continue the species and to pass genetic information from parents to child
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| Interstitial cells do what? | Secrete testosterone and other androgens
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| The smooth cap of the penis is know as?? | The glans penis
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