Among the given options, the development of hands occurs first in a developing child. This should most frequently be seen after the 8-9 weeks of successful conception.
Which organ or body part developed first in a child?
The spinal cord and brain are the parts of the body that developed first in the developing child. This takes about 3-4 weeks after conception.
The growth of vocal cords occurs in the last week of the third trimester. The growth of functional eyes occurs in the 26 weeks after conception.
Therefore, the correct option for this question is B.
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