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nervous system

human bio

Information about our internal and external environment is detected by structures called ___, which then convert the information into impulse sensory receptors,
Nerve impulses then travel to the central nervous system (CNS) along___. Within the CNS, they are integrated, creating___ nerves. creating sensations, memories, and emotional reactions.
responses (subconscious or conscious) are then made. This information is conveyed to effectors via the motor division of the nervous system.
The muscles and glands whose activities are controlled by nervous activity are called: effectors
In a resting neuron, the area just inside of the cell membrane is more _____ than the area just outside of the cell membrane. negative
Neurons communicate chemically with each other by using neurotransmitters at a synapse
A neurotransmitter which brings the postsynaptic membrane closer to threshold is excitatory
1. receptor 2. 3CNS 4. 5. 2.sensory neuron 4.motor neuron 5. effector
root carrying sensory axons dorsal root
root carrying motor axons ventral root
The brain is connected to the spinal cord via the brainstem
network of nerves that innervate upperlimb or below neck ish brachial plexus
Cauda equina horse's tail
What division of the nervous system functions independently and continuously, without conscious effort? autonomic system
1. Cells called _____ are specialized to send and receive nerve impulses. neurons
2. Cells called ______have a support function, though they may also send and receive impulses. neuroglia
The peripheral nervous system is further subdivided into an afferent (sensory) division and an efferent (motor) division.
Created by: jdl107968