The Effect Of The Pituitary Secretion In The Endocrine System

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The thyroid regulates your metabolism, your appetite, muscle function, blood pressure, heart rate, among other things. And a way that it interacts with the pituitary is a good example of a negative feedback loop, a method of communication that's common all over the body and especially in the endocrine system. Basically, the pituitary is like the thyroid's thermostat. It can read how much thyroid hormone is in your blood stream and when its levels are low, it spits out a tiny bit of thyroid stimulating hormone, or TSH, which travels to the thyroid. The thyroid, in turn, secretes thyroid hormone, which boosts our metabolism, and that increase in metabolism tells the pituitary to stop sending out TSH. So the effect of the pituitary secretion is
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