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Homeostasis and the Endocrine System

Homeostasis-maintenance of a constant internal environment.

Mechanism of Homeostasis

Changes in the variable stimulate a receptor, the receptor communicates
with the control centre via an afferent pathway. The control centre
communicates with an effector via efferent pathway. The Effector causes a
response to stimulus. The…

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Parathyroid Glands

Consists of two functionally separate glands

Adrenal Medulla

At the centre of the adrenal gland made up of nervous tissue and under nervous control.

Hormones are: Secreted by the Chromaffin cells adrenaline and noradrenaline.

Adrenal Cortex

Outer layer of the adrenal gland.

Hormones are: The hormones are called…


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