Unit 3 & 5 Exam Flashcards
Dendrites
Receives info
Axon fibers
Passes message
Myelin sheath
Fatty tissue that speeds up impulses
action potential
Electric charge that travels down the axon
Acetylcholine
Undersupply:
Muscle action, learning, and memory
Alzheimer’s
Dopamine
Oversupply:
Undersupply
Movement, learning, attention, emotion
Schizophrenia
Tremors
Serotonin
Undersupply:
Mood, hunger, sleep, and arousal
Depression
Norepinephrine
Undersupply:
Controls alertness and arousal
Depresses mood
GABA
Undersupply:
Major inhibitory neurotransmitter
Seizures, tremors, and insomnia
Glutamate
Oversupply:
excitatiory; memory
Over simulation the brain. Migraines/seizures
Reason ppl avoid eating glutamate foods
Angonist
Stimulates response
Antagonists
Blocks response
Multiple sclerosis
Muscles slow and loss of control in them
Phrenology
bumps on the skull can predict someone’s mental ability and traits
Exacitatory
Pushing neuron’s accelerator
Inhibitory
Pushing neuron’s brake
Resting potential
Positive outside/negative inside
Endorphins
Self-producing morphin
Central nervous system
body’s decision maker
Brain and spinal cord
Peripheral nervous system
gathers information
Sensory neurons
carry messages
Motor neurons
carry instructions
Nervous system has the two systems of
Which one has other systems in it?
peripheral and central NS
Peripheral
Peripheral NS has the two systems of
What does each do?
Which one has other systems?
Autonomic (involuntary movements) and Somatic (Voluntary movements)
Autonomic
Autonomic has the two systems of
What does each do?
Sympathetic (arousing) and Parasympathetic (calming)
Endocrine system releases:
Hormones
Hypothalamus
Controls pituitary gland
Pituitary gland
Growth hormones; Oxycontin
Associated with birthing and social trust
Thyroid gland
Metabolism