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30 ESOTERIC ANTHROPOLOGY.
OF THE BLOOD-VESSELS.
The necessity foi* the constant nourishment of the
Fig.
whole body,
8.
growing out of
a constant waste
AETEEIAL SYSTEM.
of matter by its
perpetual activi
ty, makes need
ful a vast system
of tubes by
which the blood
may be carried
everywhere, and
returned again
to the center of
circulation. Of
the nature of
the blood and its
changes, we will
speak further
on. At pres
ent, let us look
simply at the
mechanical ar
rangements for
its distribution,
and return.
We have first,
in the center of
the thorax, a
heart, consisting
of two parts,
right and left,