how does the pulse rate work in a human body

Subject: how does the pulse rate work in a human body

Date: Sun Sep 23 08:53:57 2001
Posted by khash
Grade level: 10-12 School: westminster
City: london State/Province: No state entered. Country: england
Area of science: General Biology
ID: 1001249637.Gb

Message:


i want to know how and why the body and brain using a nervous system control 
the pulse rate.

Re: how does the pulse rate work in a human body

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