CHAPTER – 7 Control and Coordination Living organisms respond and react to various stimuli like heat‚ light‚ cold‚ touch‚ pressure etc. Plants and animals both respond to stimuli but in different manner. Example : withdrawl of hand on touching a hot object. Control and Coordination in Animals It is brought about in all animals with the help of two main systems a) Nervous System b) Endocrine System Nervous System : Functions i) To receive the information from environment
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following: 1) Produces the hormones that promote the development of the female secondary sexual characteristics at puberty. Answer: D Diff: 1 Page Ref: 623; Fig. 16.1 2) Storehouse for the hormones produced by the hypothalamus of the brain. Answer: B Diff: 1 Page Ref: 605; Fig. 16.1 3) Produces the hormones that direct the production of the secondary male sex characteristics. Answer: E Diff: 1 Page Ref: 623; Fig. 16.1 4) Produce steroid hormones and glucocorticoids and
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Hyper & Hypopituitarism Introduction Hyperpituitarism is the result of excess secretion of adenohypophyseal trophic hormones. Hypopituitarism is the decreased secretion of one or more of the pituitary hormones. If there is decreased secretion of most pituitary hormones‚ this condition is called panhypopituitarism (pan meaning "all"). Historical Background The pituitary was known by Galen‚ and various theories were proposed about its role in the body. In the late 19th century‚ acromegaly
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AP-2 Lab 01 – Lab Report Name: Shamika C. Dent Section: AP 2 – 131 – Fall 2010 Laboratory Report: Exercise 1: The Endocrine System Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. 1. Identify the major endocrine glands and other organs containing endocrine cells on models and diagrams (glands listed below). 2. Identify the major endocrine glands in the cat (glands
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(Tortora & Derrickson‚ 2014‚ p. 10) Negative feedback system: Reverses a change in a controlled condition in the body. (Tortora & Derrickson‚ 2014‚ p. 10) Homeostasis & Homeostatic Imbalances of the Endocrine System The endocrine system makes hormones responsible for regulating and maintaining certain body functions. It plays a role in all of the body systems. There are several glands that make up the endocrine system which work in conjunction with other tissues and organs that contain cells
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_. 4. The adult pineal gland is a small‚ shriveled remnant of the child’s. True False 5. In the blood hydrophillic hormones are often bound to transport proteins. True False True False 6. People with Type I diabetes mellitus have normal insulin levels. True False 7. Taste cells are not neurons. True False 8. Hypoglycemic hormones are secreted in response to excessively low blood glucose levels. True False 9. Suppose you were
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release the hormones into the blood stream and are transported to the various cells and body parts. When the hormones reach the target site‚ they bind to the receptor cells with a lock and key mechanism. The hormone may be present within the nucleus or on the surface of the cells. Once bound to the receptor‚ the hormones transmit a signal that triggers an action by the site. Hormones control the organ’s function and affect the growth and development of the organs. It is due to the hormones that the
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in relation to endocrine system. Function of the endocrine system: • Characteristics of hormones (diagram‚ location and job) • Names and actions of principle hormones produces by each gland • Hormones responses to extremes of stress and alarm. E.g. Fight and flight (adrenaline – where is it produces‚ what gland) • Malfunctioning of endocrine system and possible correction. E.g. Goitre (what hormone causes this treatment‚ diabetes mellitus – type 1‚ type 2 (insulin injection). • Description
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The Pituitary Gland and Dwarfism The Pituitary Gland is situated at the base of the brain and it produces hormones which control growth. Too large an amount of these hormones causes giantism‚ a condition where facial features‚ hands‚ etc. become abnormally large. Too little causes dwarfism‚ where the overall stature of a person is very small. Dwarfism is the condition of being undersized‚ or less than 127 cm (50 in) in height. Some dwarfs have been less than 64 cm (24 in) in height when fully
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Introduction The suprarenal glands are part of the endocrine system. They are a pair of triangular-shaped glands‚ each about 2 in long and 1 in wide‚ that sit on top of the kidneys. The suprarenal glands release hormones that regulate metabolism‚ immune system function‚ and the salt-water balance in the bloodstream‚ as well as aid in the body’s response to stress. Anatomy and histology of the suprarenal gland. The suprarenal cortex and the suprarenal medulla are the two different tissues of the
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