Science Quiz / AP Psych Unit 3A Vocab: Nervous and Endocrine Systems

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Can you name the AP Psych Unit 3A Vocab: Nervous and Endocrine Systems?

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DefinitionTerm
the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body
AROUSE is to ______ nervous system as CALM is to ________ nervous system
a nerve cell; the basic building block of the nervous system
a neural impulse; a brief electrical charge that travels down an axon
bundled axons that form neural 'cables,' connecting the central nervous system with muscles, glands, and sense organs
the level of stimulation required to trigger a neural impulse
the division of the peripheral nervous system that controls the body's skeletal muscles, also called the skeletal nervous system
neurons that carry outgoing information from the brain and spinal cord to the muscles and glands
neurons that carry incoming information from the sensory receptors to the brain and spinal cord
the division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations
the junction between the axon tip of the sending neuron and the dendrite or cell body of the recieving neuron. The tiny gap at this junction is called the synaptic gap or the synap
the endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary gland regulates growth and controls other endocrine glands.
the part of the peripheral nervous system that controls the glands and the muscles of the internal organs (such as the heart). Its sympathetic division arouses; its parasympathetic
chemical messengers that cross the synaptic gaps between neurons. When released by the sending neuron, these messengers travel across the synapse and bind to the receptor sites on
DefinitionTerm
'morphine within'- natural, opiatelike neurotransmitters linked to pain control and to pleasure
the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body
the body's speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems
a pair of endocrine glands that sit just above the kidneys and secrete hormones (epinephrine and norepinepherine) that help arouse the body in times of stress
chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues
a simple, automatic response to a sensory stimulus, such as the knee-jerk response
the division of the autonomic nervous system that calms the body, conserving its energy
a neurotransmitter's reabsorption by the sending neuron
a branch of psychology concerned with the links between biology and behavior
neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs
a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next
the brain and spinal cord
the extension of a neuron, ending in branching terminal fibers, through which messages pass to other neurons or to muscles and glands
the body's 'slow' chemical communication system, a set of glands that secrete hormones into the bloodstream

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