ECONOMY OF THE BODY—Il
'
'
141
from the beginning, even before the embryo appears, and
persists so long as life endures within the body. This
'
power has a number of organs to itself and isthus r€cognised
as a'system, the regulatory or regulatihg system;”
…
‘
’
The principal function of this system is the
'of the ow of materials…
We may sayit is energy”: in
crete form, but it is difcult, if not impossible, to:nd physiCal
_
comparisons, and’we may be “dealing with only
,
agencies"_vvith a still higher
one”
characteristic is, that these agencies seem able to work against
_
the known physical and chemical laws Of nature, which
means, of course, that we lack COmprehenSion of their true,
relationships; We cannot
that they constitute life, since
'
life also requires »grosser materials, but they are its essences
‘
withOut whichgrowth or progress would be impossible.
_
These several powers or agencies, so far as they are
represented by distinct organs, make their rst appearance —
among shes, and it would seem that a period spent in the
water. Wasnecessary for
development. But one of them '
isz "commongtoÿ all} forms of life—represents indeed…th6.
'
beginning of. that integration
separation of the quick from
'
"
'
it—;f“:; This is
membrane,” ,
W bltmk'soap“ bubbles.and_isivlashés 'of«colloids :
,
:
ai”idçsornë,
of the characteristics of a
because they ’
,
'
have a limiting 'membrane or surface of tension_;;ï butthé
'
'
living organism has the power of itself to mark
.
off the
eXterior from the interior.
,
:
So long as a sh is alive, its internal Constitution and
particularly the composition of its blood are quite different
from those of the surrounding medium. It is self—contained
_
and only takes in the materials it wants to take in.' This is
'
also the case with Higher Vertebrates. Thé pressure of
'
the blood in' mari is about eight atmôspheres, measuredby
'
the concentration of the contained salts, I—n- other mammals',… .
'
Î"
fand birds it isa little, higher, 'and‘thegcuriousÎ thmgis, that
in the bohy shes' or
isnot__much hrgher,though
1
'
:
the
.; ' _ f'
'
'
141
from the beginning, even before the embryo appears, and
persists so long as life endures within the body. This
'
power has a number of organs to itself and isthus r€cognised
as a'system, the regulatory or regulatihg system;”
…
‘
’
The principal function of this system is the
'of the ow of materials…
We may sayit is energy”: in
crete form, but it is difcult, if not impossible, to:nd physiCal
_
comparisons, and’we may be “dealing with only
,
agencies"_vvith a still higher
one”
characteristic is, that these agencies seem able to work against
_
the known physical and chemical laws Of nature, which
means, of course, that we lack COmprehenSion of their true,
relationships; We cannot
that they constitute life, since
'
life also requires »grosser materials, but they are its essences
‘
withOut whichgrowth or progress would be impossible.
_
These several powers or agencies, so far as they are
represented by distinct organs, make their rst appearance —
among shes, and it would seem that a period spent in the
water. Wasnecessary for
development. But one of them '
isz "commongtoÿ all} forms of life—represents indeed…th6.
'
beginning of. that integration
separation of the quick from
'
"
'
it—;f“:; This is
membrane,” ,
W bltmk'soap“ bubbles.and_isivlashés 'of«colloids :
,
:
ai”idçsornë,
of the characteristics of a
because they ’
,
'
have a limiting 'membrane or surface of tension_;;ï butthé
'
'
living organism has the power of itself to mark
.
off the
eXterior from the interior.
,
:
So long as a sh is alive, its internal Constitution and
particularly the composition of its blood are quite different
from those of the surrounding medium. It is self—contained
_
and only takes in the materials it wants to take in.' This is
'
also the case with Higher Vertebrates. Thé pressure of
'
the blood in' mari is about eight atmôspheres, measuredby
'
the concentration of the contained salts, I—n- other mammals',… .
'
Î"
fand birds it isa little, higher, 'and‘thegcuriousÎ thmgis, that
in the bohy shes' or
isnot__much hrgher,though
1
'
:
the
.; ' _ f'