What causes certain areas in the brain to respond to change in heomostasis?

Subject: What causes certain areas in the brain to respond to change in heomostasis?

Date: Mon Sep 10 20:09:50 2001
Posted by Mari
Grade level: 10-12 School: O'Connor High School
City: San Antonio State/Province: Texas Country: US
Area of science: Neuroscience
ID: 1000166990.Ns

Message:


I am aware that alcohol may pass through the blood barrier of the brain, but I 
am wondering what passes through this rather impermiable layer to cause the 
medula and pons to react to, say a change in pH? I have the same question about 
the thyroid and calcium. I realize a change in homostasis cause these to try and 
achieve stability, but what REALLY happens?

Re: What causes certain areas in the brain to respond to change in heomostasis?

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