Human Nervous system SHORT note for review created by Hitesh sharma uploaded from H.L.-Eduroom .pdf
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Mar 11, 2025
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Human Nervous Sy stem ee he 4
NIS eed
Scan here #
For more !
Analoın y & pl sil" Al
shorl Mole
Human Nervous Sy stem ee he 4
NIS eed
Scan here #
For more !
Analoın y & pl sil" Al
shorl Mole
Introduction to the Human Nervous System
The human nervous system is a complex en
network that coordinates actions and sensory win
information.
sew cnt
It consists of two main parts: the central
nervous system (CNS) and the peripheral | |
nervous system (PNS). / N \
Understanding the nervous system is crucial for
studying how the body responds to stimuli and |
maintains homeostasis.
Pevchert Nervovn System
The human nervous system is a complex en
network that coordinates actions and sensory win
information.
sew cnt
It consists of two main parts: the central
nervous system (CNS) and the peripheral | |
nervous system (PNS). / N \
Understanding the nervous system is crucial for
studying how the body responds to stimuli and |
maintains homeostasis.
Pevchert Nervovn System
Structure of the Nervous System
The central nervous system includes the brain
and spinal cord, serving as the control center.
The peripheral nervous system comprises all the
nerves outside the CNS, connecting it to the rest
of the body.
The nervous system is organized into functional
units called neurons, which transmit signals
throughout the body.
)
|
{
CNS and PNS
The central nervous system includes the brain
and spinal cord, serving as the control center.
The peripheral nervous system comprises all the
nerves outside the CNS, connecting it to the rest
of the body.
The nervous system is organized into functional
units called neurons, which transmit signals
throughout the body.
)
|
{
CNS and PNS
Neurons and Their Functions
Neurons are specialized cells that carry
electrical impulses and communicate with each
other,
Synaptic Transmission
‘Synepte
Preaynsotic newon {7 Postsynaptic neuron
vr
Each neuron consists of a cell body, dendrites,
and an axon, facilitating signal transmission.
The synapse is the junction where neurons
communicate, allowing for the transfer of
information.
Neurotranamitter — Neurotranamitter receptor
Neurons are specialized cells that carry
electrical impulses and communicate with each
other,
Synaptic Transmission
‘Synepte
Preaynsotic newon {7 Postsynaptic neuron
vr
Each neuron consists of a cell body, dendrites,
and an axon, facilitating signal transmission.
The synapse is the junction where neurons
communicate, allowing for the transfer of
information.
Neurotranamitter — Neurotranamitter receptor
Central Nervous System
The brain is the control center of the body,
responsible for processing sensory information,
thoughts, and memories.
The spinal cord acts as a conduit for signals
between the brain and the rest of the body.
The CNS is also responsible for reflex actions,
enabling quick responses to stimuli without
conscious thought.
Central Nervous System
Brain
(Cerebrum)
Cerebellum
Brain stem
Spinal cord
The brain is the control center of the body,
responsible for processing sensory information,
thoughts, and memories.
The spinal cord acts as a conduit for signals
between the brain and the rest of the body.
The CNS is also responsible for reflex actions,
enabling quick responses to stimuli without
conscious thought.
Central Nervous System
Brain
(Cerebrum)
Cerebellum
Brain stem
Spinal cord
Peripheral Nervous System
The peripheral nervous system is divided into
the somatic and autonomic nervous systems.
The somatic nervous system controls voluntary
movements and transmits sensory information
to the CNS.
The autonomic nervous system regulates
involuntary bodily functions, such as heart rate
and digestion.
The peripheral nervous system is divided into
the somatic and autonomic nervous systems.
The somatic nervous system controls voluntary
movements and transmits sensory information
to the CNS.
The autonomic nervous system regulates
involuntary bodily functions, such as heart rate
and digestion.
Autonomic Nervous System
The autonomic nervous system is further
divided into the sympathetic and
parasympathetic systems.
The sympathetic system prepares the body for
‘fight or flight’ responses during stressful
situations.
The parasympathetic system promotes ‘rest and
digest’ functions, helping the body to conserve
energy.
AUTONOMIE NERVOUS SYSTEM,
(INVOLUNTARY à
The autonomic nervous system is further
divided into the sympathetic and
parasympathetic systems.
The sympathetic system prepares the body for
‘fight or flight’ responses during stressful
situations.
The parasympathetic system promotes ‘rest and
digest’ functions, helping the body to conserve
energy.
AUTONOMIE NERVOUS SYSTEM,
(INVOLUNTARY à
Neurotransmitters and Signaling
Neurotransmitters are chemical messengers that ; |
Neurotransmitter
transmit signals across synapses between :
neurons. ; Neurotransmitter
tra rter
o | Synaptic /) A | transpo Axon
Common neurotransmitters include dopamine, vesicle FX) terminal
serotonin, and acetylcholine, each playing
unique roles. Voltage- \ in
jated Cat" >
The balance of neurotransmitters is crucial for pate 4 Py y .
; SE 2 i Synaptic
mood regulation, cognition, and overall brain a
fnclión: Postsynaptic Any YA 4 Receptor cleft
density ; \ Joie
Neurotransmitters are chemical messengers that ; |
Neurotransmitter
transmit signals across synapses between :
neurons. ; Neurotransmitter
tra rter
o | Synaptic /) A | transpo Axon
Common neurotransmitters include dopamine, vesicle FX) terminal
serotonin, and acetylcholine, each playing
unique roles. Voltage- \ in
jated Cat" >
The balance of neurotransmitters is crucial for pate 4 Py y .
; SE 2 i Synaptic
mood regulation, cognition, and overall brain a
fnclión: Postsynaptic Any YA 4 Receptor cleft
density ; \ Joie
Nervous System Disorders
Disorders of the nervous system can
significantly affect quality of life, including
conditions like Parkinson's and multiple
sclerosis.
Neurodegenerative diseases result in the
progressive loss of function or structure of
neurons.
Mental health disorders, such as depression and
anxiety, also have roots in neurobiological
dysfunctions.
Disorders of the nervous system can
significantly affect quality of life, including
conditions like Parkinson's and multiple
sclerosis.
Neurodegenerative diseases result in the
progressive loss of function or structure of
neurons.
Mental health disorders, such as depression and
anxiety, also have roots in neurobiological
dysfunctions.
Conclusion and Future Directions
Research on the human nervous system Human Body: nervous system
continues to evolve, providing insights into SH
treatment and prevention of disorders.
Advances in neuroscience and technology may
lead to novel therapies for various neurological
conditions.
es.
E À | { |
| ==
Understanding the nervous system is essential
for fostering mental health and enhancing
overall well-being.
Research on the human nervous system Human Body: nervous system
continues to evolve, providing insights into SH
treatment and prevention of disorders.
Advances in neuroscience and technology may
lead to novel therapies for various neurological
conditions.
es.
E À | { |
| ==
Understanding the nervous system is essential
for fostering mental health and enhancing
overall well-being.
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