Download - Maintaining Homeostasis
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Maintaining Homeostasis
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What is Homeostasis?
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Temperature Control Ectotherm
Behavioral control Location change Hibernate/estivate
Endotherm Dispelling heat
Panting Sweating
Staying warm Shivering Fat/hair Location change
Hibernate/estivate/migrate
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Osmotic Control Contractile vacuole Urine Production
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Feedback Mechanisms Feedback inhibition
Product or result of process stops process Ex. Dog hot -> pants-> cools down ->
stops panting
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Hormone Control Hormones Target Cell
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Human Endocrine System
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Pituitary GlandThyroid Stimulating Hormone
(TSH) Control metabolism
Growth Hormone Causes bone and muscle growth
Prolactin Milk production
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Pituitary GlandLuteinizing Hormone (LH)
Menstrual cycle Causes testosterone
production in malesFollicle Stimulating
Hormone (FSH) Menstrual cycle Sperm production
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Parathyroid GlandParathyroid
hormone Maintains proper Ca+
levels in blood
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PancreasHormones
Insulin Glucagon
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Adrenal GlandNoradrenaline and
Adrenaline Causes increase in HR, BP,
blood sugar, blood flow, and vessel dilation
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GonadsAndrogens
Develops and maintains male reproductive system
Determines genderEstrogens
Develops and maintains female reproductive system
Progestins Prepares uterus for fetus