does holding your breath effect your heart rate? if it does how?

Subject: does holding your breath effect your heart rate? if it does how?

Date: Sun Apr 9 23:30:26 2000
Posted by Jessica
Grade level: 4-6 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: General Biology
ID: 955341026.Gb

Message:


I am asking because i'm just curious how your heart works and what will 
happen to it if you hold your breath. and i want to know if brain cells 
are killed if you hold your breath because that's what i heard. well okay 
bye i hope you can answer my question.

Re: does holding your breath effect your heart rate? if it does how?

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