Koj tsis paub yuav ua li cas muaj ntau yam nyob phev?

Cov tib neeg lub cev - yog ib tug miraculous tshuab. Tus txheej txheem ntawm conception thiab kev loj hlob ntawm lub embryo hauv ib tug poj niam txawm rau cov "smartest" ntawm lub ntiaj teb no thiab tseem unsolved txog rau thaum xaus ntawm lub txuj ci tseem ceeb. Muaj ib tug me nyuam yog tsuas tau ua tsaug rau lub amazing "coincidences" thiab ib qho zoo kawg metamorphosis noj qhov chaw nyob rau hauv lub puab qhov chaw ntawm tus poj niam lub cev. Yuav ua li cas muaj ntau yam nyob phev thiab yuav ua li cas lub fertilization ntawm ib lub qe? Tiam sib xyaw lus nug uas cov lus teb yuav muaj nyob rau hauv tsab xov xwm xa mus rau koj.

Tsis li ntawd, tej yam yooj yim nyob rau hauv qhov tseeb ...

Poj niam "secrets" yog rooted nyob rau hauv sib sib zog nqus-zaum chromosomes, uas yog X-zoo li tus qauv. Yav tom ntej leej niam lub kab reproduces ib qe txhua txhua 28 hnub, uas yog lub txiaj ntsim ntawm cyclical lawm. Mov ntawm kab hlwb nyob rau hauv cov neeg sawv cev, li ntawd, yuav hais lus, "lub weaker nrog txiv neej pw" tsawg tus naj npawb ib ncua los ntawm 250 mus rau 450 txhiab. Cov lifespan ntawm lub qe nyob ntawm ntau yam. Qhov tseem ceeb tshaj kev mob rau ib tug dej siab gamete kev sib deev kev sib ntsib rau ob tug hlwb yog ib tug tej yam predisposition ntawm tus poj niam kab mob thaum lub sij hawm ntawm conception thiab raws li ib tug yuav tau txais lub peev xwm los ua tim txiv hmab txiv ntoo thiab cov kev sib nrig sib muaj siab khub. Lo lus teb rau lo lus nug "Yuav ua li cas muaj ntau yam nyob phev?" Yuav qhia muaj peev xwm "thib ob ib nrab" mus ua kom tiav ib tug tseem ceeb heev luag hauj lwm, thiaj li hais tias tus txheej txheem ntawm fertilization yog ua tau. Tsuas ua tsaug rau qhov no yuav tsum muaj fact ntawm qhov tseem ceeb heev kev ua si ntawm lub qe yuav tsum tau kev txaus cai. Cia peb mus nrog koj nyob rau hauv ib tug luv luv mus txawv tebchaws thiab sim teb cov lus nug, yuav ua li cas ntev nyob phev, raws li zoo raws li lw ntsiab lus tseem ceeb, qhov tshwm sim ntawm uas yuav muab lub qho lub neej.

Tag muaj tsis muaj kev txwv

Yog li ntawd, tom qab ib tug kev sib deev poj niam ntawm tes tau matured thiab yog npaj txhij kom tau tawm ntawm lub zes qe menyuam mus nyob rau hauv ib tug tej yam kev taw qhia, mus rau lub plab, tus txiv neej cov phev rushing ntawm. Incidentally, tus xov tooj ntawm "invaders" yog hais txog 200-250 lab units. Ntawm cov hoob kawm, xws li ib tug lossis loj tus naj npawb ntawm predetermined tooj tsis muaj teeb meem nyob rau hauv txoj kev ntawm tsis tau zoo lub hom phiaj:

• Firstly, lub acidic puag ncig ntawm qhov chaw mos thiab 85% puas ntawm tag nrho cov xov tooj ntawm cov phev los ntawm ib tug txiv neej tus kab hlwb yog cov tseem ceeb tshaj plaws txwv lub "yam" lub rooj sib tham ntawm lub ob fundamentals lub neej.
• Secondly, muab qhov tseeb ntau npaum li cas nyob phev nyob rau hauv ib tug alien puag ncig (tiv thaiv kev sib deev tus khub hlwb - muaj pov thawj los ntawm cov pov thawj), tus txiv cov phev xwb 1% ntawm cov hardiest nce mus txog lub ncauj tsev menyuam.
• Peb, "sawv" tshuaj kauj ruam, muaj raws ntawm hnoos qeev, liquefied cov tshuaj hormones, thiab ua rau ib tug nqaim lub tsev me nyuam kwj dej, tsis yog li ntawd ib qho yooj yim.
• Fourthly, lub cev ntawm tus poj niam, uas phev yog tsis muaj dab tsi ntau tshaj li qhov invaders, pib methodically rhuav tshem cov txiv neej nrog txiv neej pw lub hlwb. Dawb ntshav - ib tug heev kawg ntse "zoov".

Ncav pov thawj tseeb

Yuav ua li cas muaj ntau yam nyob phev, uas tseem hu txoj hlab qe raj? Xws "spermatozoa" yog heev me me. Tsuas yog 20 los yog ib tug me ntsis ntau tshaj li uas muab rau "sov Zoo siab txais tos". Thiab tsuas yog ib qho ntawm lawv yuav ua tau "lub hom phiaj" mus rau thaum xaus. Feem ntau cov phev thiaj li nyuaj overcome feem siv txog li ob teev. Nws yuav tsum tau muab sau tseg tias lub neej voj voog ntawm cov txiv neej tus kab hlwb seem nyob rau hauv lub paum ib puag ncig, yog tas rau ib tug tshaj plaws ntawm kaum ob teev, tom qab uas lawv raug tua. "Lub hmoo sawv daws yuav" yuav tau muaj kev koom nyob ib ob peb hnub. Medical science paub yuav ua li cas muaj ntau yam nyob phev nyob rau hauv lub tsev me nyuam - feem ntau yog 3 mus rau 5 hnub. Needless hais, lub sij hawm no yog txaus rau fertilize ib lub qe thiab ib tug me nyuam tshiab tug tswv cuab ntawm cov haiv neeg.

Nyob rau hauv xaus

Raws li koj yuav pom tau hauj lwm ua ke ua ke thiab ib tug txiv neej, ob tug heterosexual hlwb tau kov yeej lub incredibly complex lom tej, los ntawm kev uas cov xeeb ntxwv yuav tau los ntawm lawv niam lawv txiv qhov zoo tshaj plaws thiab feem ntau nruj heev heev rau lub neej.