HEA). Ri T. 
organs? Would inflammation exhibit fuch varying external 
characters if the heart alone refided over its develo ement ? 
the greater or we nearnefs of the 
hen, therefore, the blood has rrived at the ca- 
venous 
n may Aes applied to all the 
difordered wine of thefe veflele When ley aré more 
arly 
the fame. When we fee the glands, and the ferous, cutaneous 
and mucous exhalants all pouring out an‘in 
t be lefs furprifed to fee all 
thefe evacuations fuppreffed. aa all thefe cafes, the capillary 
em, of which the vital forces are varioufly modified in the 
different organs, 
nt for ex- 
_ pelling the exhaled and fecreted fluids, and es 
black blood intothe veins. Proba _ fudde changes in 
ftate of the atmofphere may produc © general ern in 
the capillaries, at leaft of ie — 
follows the application of a cup 
uen 
an artery or vein 
is oak we only diminifh the quantity of blood j in the 
there is ftill the £ 
and ae ceetegpceely fubje& to 
~ nor se 2 is unknown, beca piers Seowiry as cannot be fubmitted 
A seuckalle phenomenon is exhibited in 
Sets ao 
yftem, in in the change of the blood from 
the black fiate. “AOS agit aha: _—— 
iat can exadlly correfpond toeach Ponies sid 
se ~ 
capillary net-work ; while, on the contrary, 
be 
the pulmonary can tranfmit, not only what paffes thro ough 
the general, but alfo all the ty cto abforbed from the ferous 
and cellular fyftems, the chyle, &c. In fa a great part of 
the general capillaries is filled w ith fluids different from blood, 
fuch are the haan male and nutrition. 
lungs, on the contrary, it has 
pulmonary artery t 
The greater and lefs diftance from the heart affit alfo i a: 
explaining ek fubjeét. e longer the courfe, through 
which the muft pafs, the greater length of time will 
be occupie oti in its arriving at, and pafling through, the 
capillaries ; roa. that which is expelled from the right 
ventricle will come fooner to the a auricle than that from 
the left to the Baht auricle. Hence, although the velocity 
fhould not be greater in the nallercirultion thea which 
it pafles throt.gh is lefs, and the tim therefore, 
the excefs of the fluid contained in the ‘divin af the aorta, 
in the general capillaries and veins, over that contained in 
the artery, veins, and capillaries of the lungs, is re 
by the greater time employed in the paflage of the former. 
Hence we may underftand why, in thefe animals, where the 
lungs, as far as regards the circulation, are in oppofition to 
be whole of the body, nature has placed thofe organs near 
The circulation in the pulmonary a Saaggge on in the 
fame way as in thofe of the general fi blood 
undergoes the remarkable change 
from the black to the red ftate. On this fabri as well ay 
for fome other remarks concerning the lungs, we re 
Lune and Respiration. 
Of the exhalant Sy/tem.—Exhalation and fecnetiol are two 
i h feparate from the 
erences be- 
a ovialacies there-is no int erendia e organ between . 
arteries and the exhalants, which are feparsted mete nar 
. ated 
intervenes | tween the arteries and the excretory a 
Pp: ; u t ; fuch 
Se 3 confequently, ~ fluids furnifhed by the former, ™ 
ints Was c. differ effentially fon ae 
of ‘ ee 
forme ao ‘of the blood, 
and are ph seit of few cc 
are poured out from an infinite 
while the fecretions are colleéted i into one 
which Eicharge them on the tarfacef coho which sl ; 
The former return into “A-nod to be 
premrcisaiens; while the latter feem effentially ened 
expelled from the body. Exhalations are perit 
abundance ef furfaces, as the ferous, mucous, * 
5 
