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Question: Answered & Verified by Expert
In human foetus, the heart begins to beat at development age of
BiologyHuman ReproductionNEET
Options:
  • A 4th - 5th week
  • B 1st - 2nd week
  • C 6th - 7th week
  • D 8th - 9th week
Solution:
2766 Upvotes Verified Answer
The correct answer is: 4th - 5th week
In human beings, after one month of pregnancy, the embryo’s heart is formed. The first sign of growing foetus may be noticed by listening to the heart sound carefully through the stethoscope.

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