GaLete
FIRST  LINES
OF
PHYSIOLOGY.
CHAP.  I.
FIBRE.—CELLULAR  SUBSTANCE.
1.  HE  moſt  ſimple  parts  of  the  human  body,
are  either  fluid  or  solid.  As  the  fluids
are  of  different  kinds,  we  fhall  consider  each  of
them  in  its  proper  place;  and  premise  the  history
of  the  solids,  which  are  moſt  simple,  and  the  true
basis  of  the  body,  to  the  consideration  of  the  other
parts.
1I.  The  solid  parts  of  animals  and  vegetables
have  this  fabric  in  common  ;  that  their  èlements,
as  ſeen  by  the  moſt  powerful  microſcopes,  are  either ¬
  fibres,  or  laminae,  or  unorganized  gluten.
1II.  Fibres  for  the  most  part,  resemble  lines  of
very  minute  breadth,  or  rather  slender  cylinders.
Their  moſt  permanent  particles  are  demonstrated  to