6 
Hcemajlatics . . 
was a greater Supply for the Heart, which 
mud therefore throw out more at each Puh 
(ation, and thereby inereafc the Force of the 
Blood in the Arteries. 
8 . For the fame Reafon too, it would he 
fomewhat increafed in Height upon deep figh- 
ing, becaufe the Lungs being then put into 
greater Motion and more dilated, the Blood 
pafled more freely and in greater Quantity, 
to the left Auricle and thence to the Ventricle, 
This plainly fliews how fighing increa- 
fes the Force of the Blood, and confequencly 
proportionably chears and relieves Nature, 
when opprefled by its too flow Motion, which 
is the Cafe of thofe who are dejefted and fad, 
10. Hence alfo we fee evidently, that the 
Blood moves fafteft: and moft freely thro* the 
Lungs when they are in a dilated State : For 
which Reafon Animals when they are near 
expiring, do ufually breathe quick, the Lungs 
then labouring to heave fall, that the languid 
Blood may thereby have a freer Courfe thro* 
them, to fupply the then almofl: bloodlefs 
Pulfations of the Heart, as was we fee the 
Cafe of this Mare when her Blood was near 
exhaufted. 
j i. Wher^ 
