Human ReproductionHard
Question
Which the following organ is differented first during development ?
Options
A.Heart
B.Skin
C.Barin
D.Neural tube
Solution
In human beings, after one month of pregnancy, the embryo′s heart is formed. By the end of second month of pregnancy limbs and diits are developed. By the end of 12 weeks (first trimester) most of the major organ systems are formed.
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