Coitus

Sex rayuwa - mas'ala ta isa girma. Wannan ra'ayi ya hada duk abin da aka nufin karfafa ji cewa underlie jiki kawance tsakanin maza da mata. Wani ɓangare ne jima'i yi. Bugu da kari, cikin jiki da kawance tsakanin maza da mata na samar da wani wasu al'adu na jima'i, musamman, da dangantakar tasowa tsakanin ma'aurata a matsayin dukan.

A Physiology na jima'i

Copulation ne unconditioned reflex, kuma aka gabatar a matsayin karshe mataki na cikin dukan zamanin da jima'i rayuwa. Sabanin ga sanannen imani, coitus (jima'i) ne kawai wani bangare na hadaddun sa na yin jima'i.

Kafin ma'amala, ko da yaushe faruwa a daya mataki ko wani dogon mataki na jima'i dominance hade tare da karin janye da kuma mamayar da ji da kuma tunani game da mai zuwa kusanci. A wannan lokaci quite a fili gane burin kai tsaye m. A maza, wani erection taimaka wa dagagge matakan androgens a cikin jini, kuma, kamar yadda wani sakamako, vasodilation memba.

Jima'i ne a wajen rikitarwa aiwatar. Qumshi coitus wasu physiological kuma m dalilai zuwa maye gurbin juna yanaye unconditioned reflexes, bayyana a cikin hanyar ayyana bulan. A wannan yanayin, kowane m iya fara kawai bayan da suka gabata ya kai wani mataki na ci gaba. Alal misali, da lafiya mutum ba tare da so ba fuskanci erections ba tare da yiwu frictions da inzali ba ya faruwa ba tare da kawowa. A wannan yanayin, ba kawai baya tafiya tare a kan abin da ya faru na wani m lokaci, amma kuma goyi bayan shi rayayye. An kafa a matsayin ci gaba da kayan haɓɓaka aiki na excitatory tsari, wanda yake rufe dukkan physiological tsarin a cikin jiki.

An yi imani da cewa jima'i yi kunshi uku main bulan. Farko - neurohumoral - shawara hormonal jikewa na jini. Na biyu lokaci - da qwaqwalwa ne qwarai - samar da wasu horo don samun kusa. A na gaba lokaci - erection - shawara da zargin wani mutum erection. Gogayya lokaci hade da gabatarwar da memba cikin farji da kuma frictions har rasit inzali tare da kawowa. A karshe mataki ne mai dakushe dukkan samuwa halayen. Wannan lokaci ne mafi pronounced a maza - yayin da shi dan lokaci vuya janye. Tare da wannan, a yayin da bacewar ji rabi ba nufa cikakken rashin tunani biyu da juna. Wannan mutumin da matar ji da zafi na mutum soyayya da kuma godiya ga juna gamsuwa.

Ga wani mutumin halin da mafi m farko da hanya na physiological halayen, kazalika da quite kaifi ƙarshe. Mata, kamar yadda mai mulkin, da shirye-shiryen lokaci yana tsawon da kuma ji na gamsuwa zo daga baya, kuma a gwada m taki, idan aka kwatanta da maza. Lokacin da wata mata na fama da soyayya ga mutum, yana da sauki ga tune a cikin kawance da shi, kamar yadda mai mulkin, a cikin wadannan lokuta akwai wani unprotected jima'i. Mace arousal, kuma m gamsuwa da aka inganta da hankali na namiji yardarSa. Namiji inzali yana tare da kawowa, muhimmanci qara jima'i arousal mata.

Lokacin jima'i da qara jini, bugun jini rãyar. A lokaci inzali bugun jini mita zai iya zuwa har su ɗari da ashirin - ɗari da tamanin lashe minti daya. A kaifi karuwa da jini ne a kwakwalwa zai iya sa kadan yayin da illa shafi tunanin mutum da ayyuka. Numfasawa zama m, kuma intermittent, yayin da a karshen inzali aka maye gurbinsu da dama zurfi breaths.