MadSci Network: Zoology
Query:

Subject: Do newborn non-human mammals cry when air initially enters their lungs?

Date: Thu Jul 26 08:54:24 2007
Posted by Kali
Grade level: undergrad School: University of Rochester
City: Rochester State/Province: NY Country: 14627
Area of science: Zoology
ID: 1185465264.Zo
Message:

I have been searching for the answer to this question and I cannot find it 
anywhere.  Because all mammals have an umbilical cord and breathe through it 
in utero as humans do, do newborn animals cry or whimper when they first 
exhale, or do they convert to normal breathing without sound?  If they make no 
sound, why is there this difference between humans and animals?  Does it have 
to do primarily with vocal cords or is it simply species specific?

Thanks so much.


Re: Do newborn non-human mammals cry when air initially enters their lungs?

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