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