1.Hormone secretion is... (Choose more than 1 answer) A. As fast a neural electrical signals B. Last longer than neural electrical signals C. Are slower than neural electrical signals D. Don't last as long as electrical signals. 2.Which struture functions only for the endocrine system? A. pituitary B. thymus C. hypothalamus D. pancreas 3.Which of the following symptons do not describe hyperthyroidism? A. anxiety B. insomnia C. weight gain D. heat intolerance

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