What does the feedback loop for Vincent look like? Be sure to indicate all the hormones and glands involved in the feedback loop. Indicate whether the hormone levels are increasing or decreasing. Use arrows to indicate the direction of influence and label whether it is negative or positive feedback. Construct a feedback loop.   To treat Vincent's condition the doctors removed a small part of the thyroid gland. After the surgery what were the thyroxin feedback loop look like now? Use the feedback loop generated for the first part of the question and modify it to demonstrate the change is stemming from the medical treatment.

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