Week 3 Lab 4 – Endocrine System Physiology - Activities 1-4 pages 43 - 48 Latasha Roberts March 25‚ 20012 SC145L-8H Introduction: (please post an introduction to the lab‚ include what you will be doing for each activity) Activity 1: Determining Baseline Metabolic Rates Data: (add your results here in numbers - Chart 1 is used in Activities 1-4) Chart 1 – Effects of Hormones on Metabolic Rate Rat Types Baseline: Normal Thyroidectomized Hypophysectomized Weight
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The Horrible Hormones I live on a small farm at the top of a mountain. At the bottom of the long gravel driveway is a two story tan house with a red door and shutters. Behind the house is the barn. The barn is a baby blue‚ two stall barn where the horses stay and where we store hay for our animals. There are two fairly large pastures connected to the barn that the animals can graze on. If you walk past the barn to the wood line you will find a small hutch with a handful of pigs. Just past the pigs
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Chapter 45 Hormones and the Endocrine System Lecture Outline Overview: The Body’s Long-Distance Regulators An animal hormone is a chemical signal that is secreted into the circulatory system that communicates regulatory messages within the body. A hormone may reach all parts of the body‚ but only specific target cells respond to specific hormones. A given hormone traveling in the bloodstream elicits specific responses from its target cells‚ while other cell types ignore that particular
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December 12‚ 2014 Nancy Ault Hormones and Behaviors The endocrine system plays a big part in the production and distribution of hormones into the body. These hormones can affect an individual’s behavior greatly. Hormones such as estrogen affect a woman’s moods and emotions; steroid hormones cross the bloodstream directly to the brain and affect the neurons directly. This action can cause changes in behavior for both men and women. The endocrine system acts as a communication device within the human
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A human body system A system of human body means a collective functional unit made by several organs in which the organs work in complete coordination with one another. Organs cannot work alone because their are certain needs of every organ that need to be fulfilled and the organ itself cannot fulfill those needs. So all organs of human body need the support of other organs to perform their functions and in this way an organ system is formed. Example of dependance of organs of a system on one
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thyroid gland is an integral part of the endocrine system in the human body. The thyroid gland secretes the thyroid hormone‚ which plays an important role in the growth of the body. The thyroid is butterfly shaped‚ and located at the bottom of the neck. Two important hormones produced by the thyroid gland are thyroxine and triidothyronine. Both of these hormones help the body grow after birth‚ and they also aid tissues increase their oxygen use within these tissues. The thyroid gland secretes
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Laboratory 8 - Endocrine System Endocrine Gland Histology PhysioEX 9.0 – Endocrine System Physiology (Exercise 4) Endocrine Gland Histology Objectives 1. To understand the function of the endocrine system 2. To learn about the major endocrine glands‚ the hormones they produce‚ and the effects they initiate 3. To familiarize the student with histological identification of various endocrine glands Background The endocrine system consists of cells and tissues that secrete chemical
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Ch. 16 A&P 1.Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________. Hormones 2.Direct gene activation involves a second-messenger system. False 3.All peptide hormone synthesis requires gene activation that produces mRNA. T 4.Which of the following is not a change that may be caused by hormonal stimulus? a change in membrane potential direct control
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reproduction. Hormone are produced by glands‚ which are part of the endocrine system. In order to get a better feel and grip on what hormones are‚ you must understand the major hormonal systems. There are many glands that produce hormones‚ but we are going to focus on the major ones. These major glands include the Hypothalamus‚ the Parathyroid‚ the Thymus‚ the Thyroid‚ the Adrenal‚ the Pineal‚ the Ovaries‚ the Testes‚ and the Pituitary. These glands work together to create and
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Luteinizing hormone is created by the pituitary gland and it is very important in the reproductive process as it allows ovulation to take place‚ alongside follicle stimulating hormones. The intermediate pineal is responsible for the production of melatonin which is considered to regulate the biological clock in humans‚ as it helps the brain to synchronise to daylight. The parathyroid gland is an extension of the thyroid gland‚ though this produced a separate hormone named parathormone
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