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Biology Chapter 17 Kahoot
Terms in this set (38)
What are the names of the lobes of the Cerebrum?
frontal, parietal, temporal, occipital
The frontal lobe controls...
Primary motor output
The frontal lobe is responsible for...
Behavior, thinking, memory & movement
The primary sensory cortex is located in the:
The primary auditory cortex is located in the:
a region of the brain below the thalamus
What is the respiratory centers of the brain?
What is the first step in a reflex arc?
The last part of a reflex arc involves this
What is contained in the dorsal root ganglion?
sensory neuron cell bodies
The dorsal root ganglia mainly contain ________.
cell bodies of sensory neurons
What Is Grey Matter ?
cell bodies and unmyelinated neurons
Damage to the dorsal root of a spinal nerve would cause_ damage to the ventral root would cause
loss of sensation;paralysis
If there was ventral root damage to the spinal cord, what issues would arise?
parts of the body may no longer be able to move
What does the central nervous system consist of?
Brain and spinal cord
carries messages to and from central nervous system
peripheral nervous system
Peripheral Nervous System
nerves that are not part of the brain or spinal cord.
Sympathetic Nervous System
fight or flight
Parasympathetic Nervous System
Calms the body, "rest & digest"
Which type of neurone transmits a signal from the CNS to an effector such as a muscle?
parts of a neuron, specialized to receive information.
Chemical released by the axon carry impulses across the _____________to the next dendrite.
what is released by the axon on the left to send a message to a nearby dendrite on the right
________ which carries impulses away from the cell body of the neuron
The space between the axon of the "sending" neuron & the dendrite of the "receiving" neuron
What is the resting membrane potential of a neuron?
When the membrane is resting it is said to be?
What maintains the resting membrane potential?
The sodium-potassium pump transports:
Na+out of the cell and K+ into the cell
With an action potential, depolarization of the membrane allows ______ to flow into the axon
What causes the action potential to travel down the axon?
a change in polarity/depolarization
How is the action potential transmitted across the synaptic gap?
depolarization of the membrane during an action potential is due to
Na+ channels opening
How does depolarization of the membrane affect neighboring voltage gated sodium channels?
Controls thickness of lens
A spinal nerve contains
both sensory and motor axons.
What increases the speed at which a nerve impulse can travel along an axon?
Direction a nerve impulse travels along a neuron?
Dendrite, Cell Body, Axon
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