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Propylthiouracil is an additive that reversibly abolishes thyroid function and the thyroid controls how quickly the body burns energy.
The weight in grams of the Thyroidectomized rat seemed to decrease when injected with propylthiouracil. Injected with tyroxine caused an increase in grams and ml of O2 levels do to the fact that tyroxine (a hormone from tyroid gland) increase the basal metabolic rate. ATT; Veronica V.
The two thyroid hormones thet affects the metabolic rate are Thyroxine & Triiodothyronine.
Propylthiouracil is a drug given to patients with goiter to decrease or slow down basal metabolic rate.
ventricles
muscle size
Purely guessing here, I'd assume a slowdown in overall metabolic rate. You've excised the pituitary gland, and adminsitered a thryoid antagonist. Unless there's some weird sympathetic reaction, a slowdown seems emminent.
Gender, age, and body shapes/sizes can affect a person's metabolic rate. ***Apex: All of the above
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Thyroxine and Triiodothyronine
when you do exercise then you are felling that you mouscle are getting bigger and your body shape is diffrent and you are losing the calories.
The thyroid gland released thyroid hormone, which overall sets the basal metabolic rate. However, other hormones can temporarily affect metabolic rate, including epinephrine and norepinephrine.