The Body's Response to Stress - Biological Psychology AS (1)

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The Body's Response to Stress

When we are stressed, our bodies respond by preparing us for FIGHT OR FLIGHT. Our heart beats faster, our legs begin to shake a little as adrenaline is released, our stomach feels tight, our mouth feels dry and our palm may feel sweaty.

The stress response involves the action of two major systems in the body: the nervous system and the endocrine system.

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THE NERVOUS SYSTEM

Divided into central and peripheral nervous systems (CNS and PNS).

CNS – neurons in the spinal cord and brain (responsible for thoughts and behaviours).

PNS – neurons outside the spinal cord and brain (carry information to and from the body).

Autonomic nervous system (ANS) – part of the PNS. It operates automatically and controls involuntary aspects and behaviours.

The ANS has two parts: the sympathetic branch is involved in arousing the body; the parasympathetic branch is involved in returning the body to a normal relaxed state.

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THE ENDOCRINE SYSTEM

Divided into central and peripheral nervous systems (CNS and PNS).

CNS – neurons in the spinal cord and brain (responsible for thoughts and behaviours).

•PNS – neurons outside the spinal cord and brain (carry information to and from the body).

•The ANS has two parts: the sympathetic branch is involved in arousing the body; the parasympathetic branch is involved in returning the body to a normal relaxed state.

•Autonomic nervous system (ANS) – part of the PNS. It operates automatically and controls involuntary aspects and behaviours.

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Comments

Ava

thanks

Pye

brilliant :)

Jacki

cool

Smile!

great

WhatsHisFace

Really useful, thanks :)

nikki

Thanks hun info were great x :)

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