INDEX. 
pulmonary Artery 73. and vice versi 
76. II. 
Dilated much by the Force of the Blood in the 
pulmonary Artery 77, 79. il. 
Their Dilatation rcquifite to give a free Paf- 
fage to the Blood 78. II. 
When weak flrong Exercife or Motion bad 
81. II. 
Blood, accumulated in them in ftrong Motion 
81. II. 
The Advantage of dilating them well infpeak- 
ing 86. II. 
Difordered by Intemperance 87. II. 
Blood Globules in pafTing them acquire ela- 
ftick Vibrations 97. II. 
To what Degree they heat the infpired Air 
98. II. 
An Eftimate of the Heat the Blood would 
acquire in palling through them, without 
the Refrigeration of Refpiration 99, &c. IL 
Their ufe 105. II. 
No additional PrelTure of Air on the Blood 
in them 106. II. 
Lymph atickYti^Qh weak 166. II. 
Subjedl to Obftrudlions 166. II. 
M. 
Man^ his Breath dellroys Air 238. I. 
The Force of his Heart 40, 43. II. 
Manure Ground 365, 366. I. 
Menftruums^ fome do not diflblve by entering 
the Pores, but by apt Vibrations 204. II. 
Mercury^ only dilates with Heat, but makes no 
great Expanfion 199. I. 
Mercury 
