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Endocrine System

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by

Leia Wojo

on 17 October 2014

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Transcript of Endocrine System

Endocrine System by Amy & Leia

Adrenal Glands

Adrenal cortex: produces cortisol (used to regulate the metabolism and stress) and aldosterone (controls blood pressure.)
Adrenal Medulla: responsible for producing hormones that aren’t essential to life such as adrenaline (aid in the reaction to stress.)
Hypothalamus
Link between nervous system and endocrine system.
Maintains homeostasis and stimulates key processes in the body
Ex. Body temperature, heart rate, sleep cycles
Produces hormones that start and stop the production of other hormones in the body

Pituitary Gland
Known as “The Master Gland” for controlling other functions of the endocrine system.
Ultimately controlled by the hypothalamus via signals that instruct it to release or retain hormones.
Hormones made by the pituitary gland instructs other glands to stop or start hormone production.

Thymus
After puberty this gland is no longer active
The thymus creates the hormone Thymosin
Thymosin controls the development of T cells

Hormones of the pancrea include insulin and glucagon
Both hormones control blood sugar levels

Pancrea
Enable female reproduction
Produces estrogen and progesterone

Ovaries
Enable male reproduction
Secretes testosterone necessary for physical development in males
Testosterone controls libido, muscle strength and bone density in adulthood

Testes
Produces melatonin, which regulates circadian rhythm (involves sleep) and regulate reproductive hormones
Pineal Gland
Thyroid
Regulates metabolism
Two main thyroid hormones include T3 and T4

Parathyroid Glands
There are four parathyroid glands about the size of a grain of rice
Secretes parathyroid hormone (PTH)
Regulates the body’s calcium levels


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