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The Endocrine System
Endocrine System• System that “communicates” to control body  functions• Uses chemicals called hormones• Hormones come fro...
Major Glands of the Endocrine System•   hypothalamus•   pituitary•   thyroid•   parathyroid glands•   adrenal glands•   pi...
Hypothalamus• found in the brain, lower central part• regulation of satiety, metabolism and body  temperature• regulates t...
Pituitary Gland• found below the  hypothalamus, pea-sized• “most important gland of  the endocrine system”• produces a vas...
Thyroid Gland• found in the lower front  part of the neck• regulates body  metabolism• maintains normal blood  pressure, h...
Parathyroid glands• pair of glands adjacent  to the thyroid gland• regulates calcium in  bone and blood
Adrenal glands• found on top of your kidneys• adrenal cortex and adrenal medulla• outer: corticosteroids – regulate metabo...
Pineal body• regulates circadian rhythm• SAD (seasonal affective disorder)
Pancreas• has both exocrine and endocrine function• “communicates” with the liver by hormones• islets of Langerhans  – ins...
Homework• Pheromones• Sex hormones  – androgens  – estrogens
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Endocrine system

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this will be tested on friday FEB 17

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Transcript of "Endocrine system"

  1. 1. The Endocrine System
  2. 2. Endocrine System• System that “communicates” to control body functions• Uses chemicals called hormones• Hormones come from glands• Unlike digestive glands, these glands are ductless*If they are ductless, how do they “communicate” with the body?
  3. 3. Major Glands of the Endocrine System• hypothalamus• pituitary• thyroid• parathyroid glands• adrenal glands• pineal gland• pancreas*• reproductive organs (gonads)
  4. 4. Hypothalamus• found in the brain, lower central part• regulation of satiety, metabolism and body temperature• regulates the pituitary gland – somatostatin: stops release of growth hormone
  5. 5. Pituitary Gland• found below the hypothalamus, pea-sized• “most important gland of the endocrine system”• produces a vast number hormones• ex: growth hormone, TSH, ACTH, LH, FSH, prolactin• ex: vasopressin, oxytocin
  6. 6. Thyroid Gland• found in the lower front part of the neck• regulates body metabolism• maintains normal blood pressure, heart rate, digestion
  7. 7. Parathyroid glands• pair of glands adjacent to the thyroid gland• regulates calcium in bone and blood
  8. 8. Adrenal glands• found on top of your kidneys• adrenal cortex and adrenal medulla• outer: corticosteroids – regulate metabolism, salt and water balance• inner: catecholamines – deals with physical and emotional stress (ex: adrenaline)
  9. 9. Pineal body• regulates circadian rhythm• SAD (seasonal affective disorder)
  10. 10. Pancreas• has both exocrine and endocrine function• “communicates” with the liver by hormones• islets of Langerhans – insulin  – glucagon 
  11. 11. Homework• Pheromones• Sex hormones – androgens – estrogens
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