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Dopamine

"feel good"- Low levals lead to parkinson

Seratonin

Sleepiness- Low levals lead to insomnia

Norepinephrine

"feel good" - Low levals leads to depresion

Acetycholine

Muscle contraction

Histamine

promotes alertness

endophines

reduces pain perception (raise pain threshold)

Nitric acid

Memory + Vasodialation

Receptor

Reflex arc: (on sensory neuron)

Interneuron

Reflex arc: Receptor goes to________

Motor neuron

Interneuron goes to _________ _________

Effector

Motor neuron goes to ______

Effector

Reflex arc: Muscle or gland

Dura mater

Outer brain covering

Arachnoid mater

Middle brain covering

Pia mater

Inner brain covering

Meninges

Brain covering generic term

Cerebrospinal fluid (CSF)

All meninges are bathed in what?

Subdural hematoma

Blood leakage beneath meninges

Hydrocephaly

Build of of CSF around brain ("water ont the brain")

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