functions ~exerts control by releasing special chemical substances into the blood called hormones ~Hormones affect other endocrine glands or body systems Derives its name from the fact that various glands release hormones directly into the blood‚ which in turn transports the hormones to target tissues via ducts. Exocrine glands-transport their hormones to target tissues via ducts. Endocrine glands- secrete hormones into the bloodstream The Endocrine System Consists of several glands located in
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Organization of the human body Human anatomy and physiology – study of the structure and function of the human body. Anatomy- the scientific discipline that investigates the structure of the human body. Physiology – The scientific discipline that investigates the process of functions of living things. 6 Structural levels 1. Chemical level – atoms combine to form molecules 2. Cell level – Molecule form organelles 3. Tissue level – similar and surrounding material make up tissues
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in the data table below. Hormone Functions Adrenocorticotropic hormone (ACTH) Stimulates secretions from adrenal cortex Antidiuretic hormone (ADH) Causes kidneys to conserve water Follicle stimulating hormone (FSH) Stimulates ovarian follicle to secrete estrogen and egg development Growth hormone (GH) Stimulates cells to increase size and divide more rapidly Luteinizing hormone (LH) Essential for egg release of the ovary Melanocyte stimulating hormone (MSH) Stimulate the production
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Enkephalins and Endorphins Do you have an experience that you cut your finger‚ it is painful in the few minutes‚ after that‚ it stops that feeling. Do you know why? This related a kind of hormone called opioid peptides. Their function is as j nanalgesic hormones. Opioid neuropeptides were first discovered in 1974 by two independent groups of investigators: John Hughes and Hans Kosterlitz of Scotland isolated — from the brain of a pig，called enkephalins.1 Around the same time‚ in a calf brain‚
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Endocrine System Physiology Advance Preparation/Comments Consider covering the following topics to prepare students for the simulation: • Describe the regulation of thyroid hormone secretion. • Explain the relationship between the hypophysis (pituitary gland) and the hypothalamus. • Describe the synthesis of thyroid hormones‚ thyroxine and triiodothyronine. • Explain disorders that result in goiter formation. • Review the factors that contribute to bone density. • Explain the regulation of blood
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helps regulate and maintain various body functions by synthesizing (making) and releasing hormones‚ chemical messengers. The major areas of control and integration include responses to stress and injury‚ growth and development‚ absorption of nutrients‚ energy metabolism‚ water and electrolyte balance‚ reproduction‚ birth‚ and lactation. The endocrine system is composed of glands that release their hormones directly into the bloodstream for chemical signaling of target cells. These glands include
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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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ACTIVITY 1 Metabolism and Thyroid Hormone Part 1 1 Which rat had the fastest basal metabolic rate (BMR)? ___ ___ 2 Why did the metabolic rates differ between the normal rat and the surgically altered rats? How well did the results compare with your prediction? ___ ___ ___ 3 If an animal has been thyroidectomized‚ what hormone(s) would be missing in its blood? ___ ___ 4 If an animal has been hypophysectomized‚ what effect would you expect to see in the hormone levels in its body? ___ ___ ___
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BEH/ 225 Week 2 Day 4 CheckPoint: Heredity and Hormones The genetic makeup of hereditary can impact the human behavior and heredity is already present in your genes. May be you will show such behavior because of hereditary once in a day but it is always there. However‚ the behavior can change which creates the contrast from heredity and such cases arise in the case of the changes in the hormonal balance in the body because of diet changes. The smallest of the endocrine gland which is located
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the fact that women are going into menopause‚ while men are still at risk they don’t have the increased testosterone drive to push their abilities like when they were younger. Women over 55 began all the necessary changes in their body including hormone shifts and chemical imbalances. This could be a reason for why their heart attack rate becomes more even with men. Based on these results and my hypothesis‚ I believe more work should be put into studying the results of hormonal and chemical changes
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