effects d. hormones: slower in onset‚ systemic in bloodstream‚ sustained effects 2. The area of the brain that is involved in regulating “primitive” functions like water balance‚ appetite‚ etc is the hypothalamus. It has both anatomic and functional connections to the pituitary gland or hypophysis by a narrow stalk‚ the infundibulum. The adenohypophysis or anterior
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some research and fill in the data table below. Hormone Functions Adrenocorticotropic hormone (ACTH) Stimulates the adrenal cortex‚ it also stimulates secretion of glucocorticoids. Antidiuretic hormone (ADH) Helps maintain blood pressure‚ blood volume and water content by controlling the concentration of urine made by the kidneys. Follicle stimulating hormone (FSH) It regulates the functions of both the ovaries and testes. Growth hormone (GH) Helps to maintain normal body structure and
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ACTIVITY 1: Metabolism and Thyroid Hormones – Part 1 Answers 1. The baseline metabolic rate (BMR) of the normal rat was approximately ________ ml O2/kg/hr. 426 2. True or False: The BMR of all three rats was approximately the same before treatment with thyroxine‚ TSH‚ or propylthiouracil. true 3. Which rat had the fastest basal metabolic rate (BMR)? normal 4. Why did the BMR’s differ between the normal rat and the surgically altered rats? Because the metabolism of the normal rat was
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below. | Hormone | Functions | Adrenocorticotropic hormone (ACTH) | ACTH stimulates the cortex to secrete hormones called glucocorticoids. Like cortisol. Which regulates glucose‚ protein‚ and fat metabolism‚ and response to stress. | Antidiuretic hormone (ADH) | ADH regulates water retention in the kidneys‚ reduces urine volume‚ and helps prevent dehydration. Also a brain neurotransmitter. | Follicle stimulating hormone (FSH) | The pituitary secretes FSH. It stimulates the sex hormone estrogen
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An example of chronic hormone secretion would be TSH. TSH is in everyone’s body. IF TSH levels in one’s body becomes out of normal range‚ this can cause thyroid disorders. Acute hormone secretion occurs when there is a disturbance in the hormone’s concentration and levels differentiate with stimulation. Example of acute hormone secretion would be the release of epinephrine in the body. For example‚ if a person is afraid of
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secrete chemical "instant messengers" called hormones that circulate within the body via the bloodstream to affect distant cells within specific organs. Endocrine glands secrete their products immediately into the blood or interstitial fluid‚ without storage of the chemical. Hormones act as "messengers‚" and are carried by the bloodstream to different cells in the body‚ which interpret these messages and act on them. Typical endocrine glands are pituitary‚ thyroid‚ and adrenal glands‚ but not exocrine glands
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has no thyroid gland? Rat A (1 pts) 2. Justify your answer. (what data convinced you of your answer) (1 pts) T3 and T4 regulate the metabolism‚ so when more is available it increases the baseline metabolic rate. TSH causes the release of T3 and T4‚ so if the rat is injected with TSH‚ in theory we would suggest that the levels of T3 and T4 are also higher than the baseline metabolic rate. 3. In a further experiment‚ all 3 rats were given a drug that inhibits the production of thyroid hormone
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help the body carry out many of its functions. This system regulates our mood‚ growth‚ metabolism‚ tissue development‚ sexual functions and reproductive process. The endocrine system is made of a series of glands that produce chemicals called hormones. Like many medical terms‚ it originates from the Greek words "endo" meaning inside‚ within‚ and "crinis" for secrete. The endocrine system is an information signal system similar to the nervous system‚ yet its effects and mechanisms are different
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endocrinologist treat people who have hormonal problems that is particularly from the glands in the endocrine system. The most common conditions that an endocrinologist treats would be menopause‚ diabetes‚ thyroid diseases‚ metabolic disorders‚ lack of growth‚ over-or under-production of hormones‚ osteoporosis‚ cancers of the endocrine glands‚ cholesterol disorders‚ hypertension‚ and infertility. They do a variety of research to find more improved ways to treat abnormal hormonal imbalances. To become
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many effects on the tissues and organs. The thyroid gland‚ which is a part of the endocrine system‚ releases a hormone that maintains metabolism. This hormone is thyroxine. Thyroxine production is controlled by thyroid stimulating hormone‚ which is released by the pituitary gland. TSH stimulates the thyroid gland to produce thyroxine. In this experiment‚ the effects of TSH and thyoxine on metabolic rate are investigated. Estrogen is a hormone produced by the ovaries that helps the uterus
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