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23 April, 08:01

When does the embryo begin to move its limbs? 1. After the first week of conception 2. Immediately after the formation of external genitalia 3. Soon after the formation of the nervous system 4. After 14 weeks of conception

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  1. 23 April, 11:38
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    Option-4

    Explanation:

    After conception during the third week, the fertilized eggs get implanted where the embryogenesis takes place in the uterus. After the fourth week, different types of the cell gets formed like kidney, nerve cell and others.

    After 8th to 10th week, the arms and legs begin to grow and after 14th week the muscle and bones grow. This allows the baby to move and stretch their bodies in the womb. This takes place during the 15-16 week of the pregnancy

    Thus, option-4 is the correct answer.
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