Saturday, January 16, 2010

How do the hypothalamus and the pituitary glands control feedback loops?

Through hormone levels and cell signaling. For example, when you're exercising on a hot day, and you overheat, your body recognizes the problem. It flattens your hair and you sweat, to reduce body temp. When your temp falls to normal, your brain recognizes that as well and terminates the action.

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