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Which of the following occurs to the developing embryo during the first trimester of pregnancy? a)urine is produced b)eyes open and blink c)the heart begins to beat d)the lungs are completely developed
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Which of the following occurs to the developing embryo during the first trimester of pregnancy?

a)urine is produced
b)eyes open and blink
c)the heart begins to beat
d)the lungs are completely developed

User Bao Le
by
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2 Answers

4 votes
I think it’s either B or C
User Verdigrass
by
8.5k points
4 votes
the answer is C


hope this helpss
User Larry Maccherone
by
8.6k points
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