madisonb04101 madisonb04101

12-05-2017
Biology

contestada

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

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bearstopsblake2 bearstopsblake2

12-05-2017

I believe that the answer to your question would be A. Heart Begins.

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