Doctors naombeni majibu hapa

[KENZY]

Nikivipi mapigo ya moyo wa mtoto ambaye yuko tumboni yanaanza..? na pia
nataka kujua mwanzo(kabla ya moyo kuanza kupiga pigo lake la mwanzo nini hufanyika mpk kuanza kudunda..?)
nikivipi moyo unapata nguvu ya kusukuma damu..?

nangoja majibu...

 

[Tunkamanin]

Yapo kwenye vitabu ukitaka tukupe refence ukasome maana hiyo darasa ni ndefu.

 

[Sky Eclat]

Ingia you you tube utafute video za conception and baby's heart beats.