Iimpawu zesini Secondary ukumisela iinguqu ezithi zenzeke isakhiwo kunye nemisebenzi yamalungu ezahlukeneyo. Ukuba sibonise identity ngokwesondo kwabantu. Musa ukubhidanisa kuzo kunye neempawu zesini zaseprayimari, kokuchaza zangasese.

Iimpawu zesini Secondary ixhomekeke ngqo kwi zaseprayimari. Baqala ukuvela ngexesha nokwanda, xa kumanqanaba hormone ngesondo. Ezi mpawu ziquka: uphuhliso kwamadlala mammary, ingakumbi entlonzeni, olinganise umzimba, inkqubo musculoskeletal, namanqatha ongama, umahluko ekuziphatheni kunye nangaphezulu.

Iimpawu lokufikisa emantombazaneni kuvela emva kweminyaka 10-11. ubunzima umzimba likhula ngokukhawuleza phantsi kwempembelelo iihomoni kunye nokukhula. Izitho ngexesha elifanayo zikhula ngokukhawuleza kunokuba umzimba. Itshintsha imilo isinqe iphela amathambo ngokubanzi. Kummandla esinqeni, ezinqeni isisu amanqatha lifakwa, apho imilo umzimba lirhangqwa. Isikhumba uba ethambileyo, noxhamla ubuncwane. Kukho ukukhula kunye nophuhliso amadlala mammary kunye Buze le areola. Kamva ndlala mammary ziya kwanda. Bandisa izihlunu ezityebileyo, okwenza ukuba ukuyilwa kwento ibele oqolileyo. Olwandisiweyo kukhule uboya entloko. Baya kuvela amakhwapha kunye iinwele zikawonke wonke. Kutshanje, amantombazana lwenzeka ngaphambili kakhulu kunokuba amakhwenkwe. Kuba namankazana, iinwele na unikezelo luphawu ngohlobo unxantathu umda ocacileyo ngaphezu pubis.

Ngeli xesha, kwamadlala umbilo aqale isebenze kunye nokubonelela ivumba hlukile njengebhinqa. Qala ukusebenza amadlala sebaceous, okubangela isininzi intsha iingxaki ezithile ndawonye nesikhumba ngendlela induna zobutsha kunye blackheads.

Emva kweminyaka emibini okanye emithathu ukususela kumhla ukubonakalalisa iifitsha ezichazwe ngasentla, amantombazana aqale exesheni. Kucingwa ngumqondiso ophambili womntu ohlaselwe ukufikisa. Sexesheni kubonisa ukuba intombazana uyakwazi ukuba ukhulelwe. Kule minyaka, ukuba kuyimfuneko kangangoko kunokwenzeka ukuze uthethe nomntwana aze achaze zonke iinguqu ezenzeka emzimbeni. Kubaluleke kakhulu ukuthetha kakuhle malunga nesini kunye nazo zonke iingozi ezinxulumene nayo.

iimpawu Sex, ngokubonakalayo ekuphuhliseni kule ubudala, akazange atyhile bokudlala eziphilayo. Ziqala ukukhulelwa zobubi kakhulu kwimpilo kwaye kuchaphazela ukukwazi ukuba abantwana kwixesha elizayo.

ekuvuthweni ngokuphelelyo umzimba imazi kuza kwiminyaka embalwa kamva. Ngokuqhelekileyo Yiminyaka 17-18. Ngeli xesha, zenziwa iimpawu ngokwesini eziziisekondari sele kakuhle, kwaye inkqubo okuzala zisebenza ngokupheleleyo. Kuphela ngoku sinokuthi umzimba ilungele ngumama le ntombazana.

Development lamakhwenkwe ukwenzeka kancinane emva koko. Iimpawu zesini Secondary luphawulwa ukukhula kakhulu emzimbeni, incanca kunye namasende, kwakunye nokwanda ubunzima bomzimba. Ngenxa yokuba ngokutshintsha imilo kwingqula, ilizwi coarsens kwaye lube asezantsi. Xa emakhwapheni, zikawonke abonakale iinwele kunye nobuso. Olunye ulutsha uza kudumba pectoral amadlala yaye indlela yobuntununtunu eliphezulu kwingono. Ngo-15 ubudala, ukuba babe iimvakalelo zesini kunye ezingcoliswe kunokwenzeka.

Ke abafana tubules seminiferous zizaliswe spermatogonia. Ukususela mzuzu xa amadlala zesini bayakwazi ukuvelisa amadlozi oqolileyo, singathetha ngalo mfana ngexesha iqala. Uphuhliso ngeempawu zesini zamabanga amadoda kwenzeka phambi kweminyaka 23-25. Ngokuqhelekileyo, kule ubudala yimbonakalo yomntu sele ukusekwa ngokupheleleyo. Uyakwazi ukuba baphile ubomi zesini kunye amvelisele inzala.

Indima ebalulekileyo kubomi amakhwenkwe kunye namantombazana adlala imfundo ngesondo. Cacisa imithetho yokuziphatha kufuneka ibe ngabazali, ngendlela elula, nokufikeleleka. Akukho mfuneko ukuvumela abantwana bafunda malunga nolwalamano phakathi kwamadoda nabafazi on TV okanye abahlobo. ulwazi olunjalo inokuzisa ingozi enkulu abantu abaselula kakhulu.