28.1: Utangulizi
- Page ID
- 184039
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Baada ya kusoma sura hii, utaweza:
- Orodha na kuelezea hatua zinazohusika katika mbolea
- Eleza matukio makubwa katika maendeleo ya embryonic
- Eleza matukio makubwa katika maendeleo ya fetusi
- Jadili mabadiliko ya mwili kwa ujauzito
- Eleza marekebisho ya kisaikolojia ambayo mtoto mchanga anapaswa kufanya katika masaa ya kwanza ya maisha ya ziada
- Kufupisha physiolojia ya lactation
- Kuainisha na kuelezea mifumo tofauti ya urithi
Katika takriban miezi tisa, kiini moja-yai ya mbolea huendelea kuwa mtoto mchanga aliyejengwa kikamilifu yenye trilioni za seli zilizo na kazi nyingi maalumu. Mabadiliko makubwa ya mbolea, maendeleo ya embryonic, na maendeleo ya fetusi yanafuatiwa na mabadiliko ya ajabu ya mtoto mchanga kuishi nje ya tumbo. Maendeleo ya kawaida ya watoto hutegemea awali sahihi ya protini za kimuundo na za kazi. Hii, kwa upande wake, inasimamiwa na nyenzo za maumbile zilizorithiwa kutoka yai na mbegu, pamoja na mambo ya mazingira.