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Selina Solutions Class 8 Biology Solutions for Exercise Long Answer Questions (LA) in Chapter 7 - Nervous System
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Q3) Mention the three functions of spinal cord.
Answer:
Solution :
Spinal cord has the following functions:-
-
To control reflexes below the neck
-
To conduct messages from the skin and muscles to the brain.
-
To conduct commands from the brain to muscles of the trunk (or torso) and limbs.
Video transcript
"hi everyone i'm neetu jakar
i'm a tutor at lado and welcome you all
to Lido learning
the question given here is mention the
three functions
of spinal code so spinal cord we know
that
spinal cord is a major part of the
nervous system
which helps in the nervous coordination
of our body
so we have to mention the three
functions
of the spinal cord so the first function
we can say that the spinal cord the
first function is to control
the reflexes below the neck
so whatever is happening below the neck
the reflexes are controlled by the
spinal cord all right
now the second function is to
conduct the
messages from where
to conduct the messages
from skin
and other muscles
to the brain so these messages from the
skin and other muscles
are taken to the brain by the spinal
cord
so when once the message reaches the
brain what happens the brain send backs
commands
for the muscles right so that is again
another function
that is to conduct the
commands
from the brain
to the muscles
of the torso
and lips
all right so these are the three
functions that is to control the
reflexes that is happening below the
neck
to conduct the messages from the skin
and muscles to the brain
and once the message reaches there the
brain controls the
limbs and the torso by muscles by the
commands that is sent from the brain so
it reaches the
muscles through the spinal cord so that
is a third function that is to conduct
the commands from the brain
to the muscles of the torso and the lips
for doing the action
so these are the main three functions of
the spinal cord
so i hope you understood this if you
have any doubt in this please comment
below
and don't forget to subscribe to this
channel for getting regular updates
so meet you next time with a new video
till then take care
and bye"
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