Module 2, Unit 4 - Endocrine Assignment

Module 2, Unit 4 - Endocrine Assignment - 1.What is an...

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1.What is an exocrine gland? Include two examples in your answer. - An exocrine gland is a gland that secretes substances from ducts. Two examples of exocrine glands are salivary glands and sweat glands. 2.What is an endocrine gland? - An endocrine gland is a ductless gland that secretes substances into the bloodstream. 3.What is a hormone? - A hormone is a chemical synthesized in small quantities in one part of the body and transported to another, where it affects target cells. 4.According to the Britannica.Com video ‘The Endocrine System’ what six endocrine glands are most important for adults? (6 marks) - The six endocrine glands that are more important for adults are: The Islets of Langerhans in the pancreas, the thyroid, the parathyroid, the adrenals, the gonads, and the pituitary gland. 5.What is secreted into the capillaries that run through each endocrine gland? - Hormones are secreted into the capillaries that run through each endocrine gland. 6.Hormones travel throughout our body’s bloodstream, but only influence what? - Hormones only influence specific target cells. 7.Every target cell has what? Explain the relationship of this with a hormone. (2 marks) - Every target cell has a chemical receptor. The hormone specifically fits the receptor, as a key fits a lock. 8.Receptor cells are where? (2 marks) - Receptor cells are on the surface of cell or inside. 9.Are cells, without receptors for a particular hormone, affected by that hormone? No, they are not affected by that hormone because they do not have receptors for it. 10.What are the 10 endocrine glands listed in your online lecture? (10 marks) - Pituitary - Hypothalamus - Thymus - Pineal Gland - Testes - Ovaries - Thyroid - Adrenal Glands
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- Parathyroid - Pancreas 11.Fill in this chart. (6 marks) HYPOTHALAMUS RELEASING HORMONE EFFECT ON PITUITARY Growth Hormone-Relasing Hormone Controls growth hormone (GH) relase. Thyrotropin-Releasing Hormone (TRH) Controls thyroid-stimulating hormone (TSH) release. Corticotropin-Releasing Hormone (CRH) Controls adrenocorticotropin hormone (ACTH) release. Gonadotropin-Releasing Hormone (GnRH) Tells the pituitary gland to make - Luteinizing hormone (LH) - Follicle-stimulating hormone (FSH) 12.What endocrine gland is sometimes called the “master gland”? - The pituitary is sometimes called the “master gland”. 13.Fill in this chart. (12 marks)
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This note was uploaded on 05/26/2011 for the course SCIENCE 101 taught by Professor Smith during the Spring '11 term at Algonquin College.

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Module 2, Unit 4 - Endocrine Assignment - 1.What is an...

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