imknutson3632 imknutson3632

28-07-2017
Biology

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When during fetal development do rhythmic breathing movements begin?

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Yashi17 Yashi17

28-07-2017

The respiratory usually develops at 12 weeks so i would definitely say breathing starts in this period.

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daltonjcooper003 daltonjcooper003

17-02-2020

Answer:

late in the third trimester the other person is wrong

Explanation:

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