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Life sciences Gr12 IEB: Endocrine system

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A power point created by a 2021 IEB matric. Notes consist of: The function & target organ(s) of endocrine glands (Hypothalamus, Pituitary gland, Thyroid gland, Adrenal gland, Ovaries & testes and Pancreas. Hormones and disorders of the glands are also studied. Hormones that are studied: ADH, Oxytocin, LH, FSH, HGH / STH, Prolactin, TSH, Thyroxine, Adrenalin, Aldosterone, Cortisol, Insulin & Glycogen, Oestrogen, Progesterone, Testosterone. Overview of the use of hormones in sport, the effects of stress on the body and infertility.

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Uploaded on
January 11, 2022
Number of pages
24
Written in
2021/2022
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Endocrine system

,Endocrine System
• Chemical co-Ordinator = uses hormones to communicate througho
the body
• Hormones = protein / lipid based molecules that are secreted by
endocrine glands and carried in blood to target organs
F = homeostasis
• Target organ = specific receptor sites for specific hormones. Can be
stimulated of inhibited by changes to the set point / homeostasis
• Glands = secrete hormones

, Glands
• Endocrine = hormones travel in blood, ductless
• Exocrine = ducts, digestive juices
• Since hormones travel in blood to target organs, any changes in blo
composition will stimulate or inhibit hormone secretion
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camrynjordaan Stellenbosch University
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Hiii! I’m a BSc Chemistry (Applied and Sustainable Chemistry) third-year undergrad. I study at Stellenbosch university. Here you’ll mainly find notes for my degree: chemistry, microbiology, biochemistry. I also did chemical engineering (I), so you’ll find some Eng math notes here too. And of course, some matric bio, English and Afrikaans notes as well to help you ace those finals! Thank you for your support ;)

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