asked 211k views
0 votes
Which of the following events occurred during the first trimester?

A. Heart beat begins

B. Lungs fully develop

C. Bones become solid

D. Fetus moves and kicks and swallows

1 Answer

6 votes
I believe that the answer to your question would be A. Heart Begins.
answered
User Irezwi
by
8.5k points
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