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Sensory input, integration, control of muscles and glands, mental activity, and
homeostasis. - 🧠ANSWER ✔✔Functions of Nervous system
Brain and spinal cord - 🧠ANSWER ✔✔Major organs for processing sensory input
and initiating responses
Central Nervous System(CNS) - 🧠ANSWER ✔✔division that consists of the brain
and spinal cord
Peripheral Nervous System(PNS) - 🧠ANSWER ✔✔division that consists of all the
nervous tissue outside the CNS
Peripheral Nervous System(PNS) - 🧠ANSWER ✔✔carries information about the
different tissues of the body to the CNS and carries commands from the CNS that
alter body activities
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,Sensory or afferent division of PNS - 🧠ANSWER ✔✔conducts action potentials
from sensory receptors to the CNS
Sensory neurons - 🧠ANSWER ✔✔these are neurons that transmit action potentials
from the periphery to the CNS
Motor or efferent division of the PNS - 🧠ANSWER ✔✔conducts action potentials
from the CNS to effector organs
Motor neurons - 🧠ANSWER ✔✔neurons that transmit action potentials from the
CNS toward the periphery.
Somatic nervous system - 🧠ANSWER ✔✔part of the motor division that transmits
action potentials from the CNS to skeletal muscles
Autonomic Nervous System - 🧠ANSWER ✔✔transmits action potentials from the
CNS to cardiac muscle, smooth muscle, and lands
Enteric nervous system - 🧠ANSWER ✔✔unique subdivision of the PNS that has
both sensory and motor neurons
Neurons - 🧠ANSWER ✔✔-Receive input, process input, produce a response
-Requires oxygen and sugar
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, Neurons - 🧠ANSWER ✔✔receive stimuli, conduct action potentials, and transmit
signals to other neurons
Cell body - 🧠ANSWER ✔✔- processes stimulus
- contains a nucleus
Dendrites - 🧠ANSWER ✔✔receives stimulus from other neurons or sensory
receptors
Axon - 🧠ANSWER ✔✔transmits stimulus to a gland, muscle, organ, or other
neuron
Axon hillock - 🧠ANSWER ✔✔the are where the axon leaves the neuron cell body.
Myelin Sheath - 🧠ANSWER ✔✔- fatty, protective wrapping around axons
- excellent insulator
Nodes of Ranvier - 🧠ANSWER ✔✔gaps in myelin sheath where action potentials
develop
Saltatory Conduction - 🧠ANSWER ✔✔jumping of action potentials
Multiple Sclerosis - 🧠ANSWER ✔✔disease of myelin sheath that causes loss of
muscle function
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STATEMENT. ALL RIGHTS RESERVED
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