Chapter 12
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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The basic functional units of the nervous system.
Neurons
________ receive synapse form other Neurons.
Dendrites.
These two things connect to dendrites.
Telodendrians and synaptic knobs.
What carries action potential/electrical impulses?
Neurons.
Area where a neuron communicates with another cell.
Synapse.
Presynaptic cell?
Neuron that sends message.
Postsynaptic cell?
Cell that receives message.
Chemical messengers?
Neurotransmitters.
Where are neurotransmitters released?
Presynaptic membrane.
What affect receptors of postsynaptic membrane?
Neurotransmitters.
Neurotransmitters are broken down by _______.
enzymes.
Where are neurotransmitters reassembled?
At the synaptic knob.
Group of cells.
Neuroglia.
Sensory neurons that monitor internal environment.
Visceral sensory neurons.
Sensory neurons that monitor effects of external environment.
Somatic sensory neurons.
Receptor that monitor internal systems (digestive, respiratory, cardiovascular, urinary, reproductive).
Interoceptors.
Receptor that monitors internal senses. (taste, deep pressure, pain)
Interoceptors.
Receptor that monitors external senses ( touch, temperature, pressure)
Exteroceptors.
Receptor that monitors distance senses ( sight, smell, hearing)
Exteroceptors.
Receptor that monitors position and movement (skeletal muscle and joints)
Proprioceptors.
Carry instructions from CNS to peripheral effectors.
Motor Neurons.
What does a motor neuron use to carry instructions from CNS To peripheral effectors?
Efferent fibers ( Axons).
Innervate skeletal muscles.
Somatic nervous system (SNS)
innervate all peripheral effectors except skeletal muscles.
Autonomic nervous system .