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What happens during the first trimester?
a.the fetus develops fully working eyes.
b.the major organ systems have started developing.
c.rhythmic breathing movements begin.
d.contractions begin in the womb?

Respuesta :

alexwisemanp8ii24
The answer is b during this trimester at around 6 weeks the heartbeat can be heard and baby’s bones, muscles and organs have formed. Hope this helps

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