l^egetable Statich. i j 
made in man, to carry off above half of 
what he takes in, by other evacuations. 
For fince neither the furface of his body 
was extenfive enough to caufe fufficient ex- 
halation, nor the additional wreak , arifing 
from the heat of his blood, could carry off a- 
bove half the fluid, which was neceflary to be 
difeharged every twenty four hours 5 there 
was a neceffity of providing the kidneys, 
to percolate the other half thro\ 
And whereas it is found, that feventeen 
times more enters, bulk for bulk, into the 
fap veflels of the plant, than into the veins 
of a man, and goes off in twenty four hours : 
One reafon of this greater plenty of frefh 
fluid, in the vegetable than the animal body, 
may be, becaufe the fluid which is filtrated 
thro' the roots immediately from the earth, 
is not near fo full fraighted with nutritive 
particles as the chyle which enters the lafteals 
of animals 5 which defeft it was neceflary to 
fupply by the entrance of a much greater 
quantity of fluid. 
And the motion of the fap is thereby much 
accelerated, which in the heartlefs vege- 
table would otherwife be very flow? it ha- 
ying 
