The foundations of the Endocrine System consist of hormones and glands. These glands are ductless and their secretions are sent through the bloodstream. Endocrine glands also control bodily metabolic activity. The major glands that make up the human endocrine system are the hypothalamus‚ pituitary‚ thyroid‚ parathyroids‚ adrenals‚ pineal body‚ the pancreas‚ and the reproductive glands‚ which include the ovaries and testes. The endocrine system has three basic functions‚ regulate metabolic functions
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The field of study dealing with the endocrine system and its disorders is endocrinology‚ a branch of internal medicine. The endocrine system is an umbrella term used to describe the complexity of different types of endocrine glands which are responsible to 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
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The Endocrine System The endocrine system regulates the functioning of every cell‚ tissue‚ and organ in the body. It acts to maintain a stable internal body environment‚ regardless of changes occurring within or outside of the body. Endocrine cells have the ability to sense and respond to changes via the excretion of specific chemicals known as hormones. The endocrine system is one of the body’s two major communication systems‚ the nervous system being the other. Communication within the nervous
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Lab 1 – Exercise 4: Endocrine System Name: Kathryn Marso ACTIVITY 1: Metabolism and Thyroid Hormone Part 1: Chart 1: Effects of Hormones on Metabolic Rate | | Normal Rat | Thyroidectomized Rat | Hypophysectomized Rat | BaselineWeightMl O2 used in 1 minuteMl O2 used per hourMetabolic ratePalpation results | 250.9 grams 7.1 ml 426 ml 1697 ml O2/kg/hr | 245.7 grams 6.2 ml 372 ml 1514 ml O2/kg/hr | 244.6
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Regulates glandular secretions Produces electrolytes Controls growth and development Answer: d Difficulty: Easy Learning Objective 1: 18.1 Compare control of body functions by the nervous system and endocrine system. Section Reference 1: 18.1 Comparison of Control by the Nervous and Endocrine Systems 2) When a hormone is present in excessive levels‚ the number of target-cell receptors may decrease. This is called receptor recognition. sensory adaptation. paracrine regulation
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CHAPTER 15 The Endocrine System NOTES 1. Name 4 ways cells communicate with each other and name important characteristics of each. Answers a. gap junctions: really fast‚ nondirectional‚ part of nervous system b. neurotransmitters: fast‚ directional‚ specific‚ limited effects‚ part of nervous system c. paracrines: local tissue fluids‚ nondirectional‚ limited effects d. hormones: slower in onset‚ systemic in bloodstream‚ sustained effects 2. The area of the brain that is
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The endocrine system is one of the most important systems Without it you would be an emotional‚ non-making baby‚ and out of your mind human. The endocrine system helps with maintaining homeostasis by regulation of the activity cells. The endocrine system is basically hormones and those hormones are released into the blood of the body controlled by stimulus. The endocrine system does not and can’t work alone. It works with many other systems every day. For example‚ it works with the nervous system
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14: The Autonomic Nervous System Objectives Introduction 1. Define autonomic nervous system and explain its relationship to the peripheral nervous system. 2. Compare the somatic and autonomic nervous systems relative to effectors‚ efferent pathways‚ and neurotransmitters released. 3. Compare and contrast the functions of the parasympathetic and sympathetic divisions. ANS Anatomy 4. For the parasympathetic and sympathetic divisions‚ describe the site of CNS origin‚ locations of ganglia
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The central nervous system (CNS) is that portion of the vertebrae nervous system that is composed of the brain and spinal cord. Together with the peripheral nervous system (PNS)‚ the other major portion of the nervous system‚ the CNS coordinates the body’s interaction with the environment. The CNS is contained within the dorsal cavity‚ with the brain in the cranial subcavity (the skull)‚ and the spinal cord in the spinal cavity (within the vertebral column). Then human nervous system is the most
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CHEMICAL SIGNALS MAINTAIN HOMEOSTASIS Endocrine System: a system of glands that secrete hormones to regulate body function Hormones: chemical messengers or regulators • they are released by cells in one part of the body and affect cells in other parts of the body to speed up or slow down processes. Endocrine Hormones – are produced in glands and secreted directly into the blood and distributed by the circulatory system. Makes hormones and regulates the pituitary gland Pineal gland (makes serotonin
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