Neurons
vary
in
size
but
all
share
the
same
basic
structure
:
Cell
body
(
or
soma
)
-
includes
a
nucleus
which
____________________
the
____________________
____________________
of
the
cell
Dendrites
-
branch
-
like
structures
that
protude
from
the
cell
body
.
These
carry
____________________
____________________
from
neighbouring
____________________
towards
the
____________________
____________________
.
Axon
-
carries
the
electrical
____________________
away
from
the
____________________
____________________
down
the
length
of
the
____________________
.
It
is
covered
by
a
fatty
layer
of
____________________
____________________
that
____________________
the
axon
.
____________________
in
the
axon
called
nodes
of
ranvier
speed
up
the
____________________
of
the
impulse
.
Terminal
buttons
at
the
end
of
the
axon
communicate
with
the
next
____________________
in
the
chain
across
a
gap
called
the
____________________
.
