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Anni [7]
3 years ago
10

What happens to a developing child first?

Biology
2 answers:
riadik2000 [5.3K]3 years ago
7 0
<span>The correct option is this: THE HEART BEGINS BEATING.
A fertilized egg takes about 40 weeks to reach full maturity. At week 5, the developing fetus resemble a tadpole; at this stage, the circulatory system has begin to form and the tiny heart has started beating and the baby is the size of a sesame seed. By week 6, the heart beat of the baby can fully be detected through scan.</span>
RSB [31]3 years ago
6 0

Blood pumps through the body

apex;)

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