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Question
Biology
During embryonic development the heart beat begins at the end of
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Q. During embryonic development the heart beat begins at the end of
Human Reproduction
A
$1^{st}$ trimester
0%
B
$2^{nd}$ trimester
0%
C
$1^{st}$ month
100%
D
$2^{nd}$ month
0%
Solution:
Correct answer is (c) $1^{st}$ month