UNIT 3 The biological basic of behavior Flashcards
What is an axon
neuron extension that passes through its branches to other neurons or to muscles or glands
neuron
here cell; the basic building block of the nervous system
What are neurotransmitters?
chemical messengers
What is the function of the neurotransmitter Acetylcholine (ACh)?
enables muscle action, learning and memory
What is the function of the neurotransmitter Dopamine?
influences movement, learning, attention, and emotion
What is the function of the neurotransmitter Serotonin?
affects mood, hunger, sleep, and arousal
What is the function of the neurotransmitter Norepinephrine?
helps control alertness and arousal
What is the function of the neurotransmitter GABA (gamma amino butyric acid)?
a major inhibitory neurotransmitter
What is the function of the neurotransmitter Glutamate?
a major excitatory neurotransmitter; involved in memory
endorphins?
chemicals
What is the central nervous system?
brain and spinal chord
Pituitary gland?
releases growth hormones that deal with growth and contractions associated with birthing, milk flow during nursing, and orgasm
Adrenal glands?
when think of what they do think of adrenaline
what is the autonomic nervous system?
controls our glands and the muscles of our internal organs, influencing things such as heartbeat and digestion
what is the somatic nervous system?
enables voluntary control of our skeletal muscles