Myelin sheath

• speeds up a message

• slows down a message

• blocks a message

Which neurotransmitter is most related to MEMORY?

• Acetylcholine (ACh)

• Dopamine

• Serotonin

• GABA

Not having enough SEROTONIN is linked to

• Alzheimer's

• depression.

• Parkinson's

• schizophrenia

Opiate-like neurotransmitters linked to PAIN CONTROL and pleasure (think "runner's high)

• endorphins

• dopamine

• serotonin

• acetylcholine

MOTOR NEURONS send messages to your

• muscles for movement.

• brain and spinal chord.

Your SOMATIC NERVOUS SYSTEM enables ______________ movement.

• voluntary

• involutntary

Which nervous system allows INVOLUNTARY MOVEMENT like your heart?

• autonomic nervous system

• somatic nervous system

This nervous system sends blood to muscles, speeds up the heart, and prepares the body for a FIGHT or FLIGHT response.

• sympathetic nervous system

• parasympathetic nervous system

• central nervous system

• somatic nervous system

This nervous system will try to CALM THE BODY after a stressful event, allowing it to rest and digest.

• central nervous system

• parasympathetic nervous system

• sympathetic nervous system

• somatic nervous system

Your ____________ systems secretes HORMONES into your bloodstream.

• endocrine

• limbic