defecation and partui it 



also produ 1 by blowinj 



( in account of tin- poaith •• p 



aa thej enter the thorax, * 



down the flow «>i" blood through t: 



the veins and, if the • 



si<l<- iif the vascular 



squeezing oul into the left Bide of 1 1 • 



lariea of the lungs, then a mo 



the fact thai leaa blood la noi 



side of thf heart After some time i 



partly on account of the back pr< .e»s*l* 



and partly bee of va vial 



conditio] - 



In the opposite condition, during 

 the glottis cloaed or with tli<- mouth atl 

 which the attempt is made to suck sir, ti 

 without the lunge l > < • i 1 1 «_ r able t<» 

 The dilatation "f the veins her thin-v 



rax ilius cauaea an immediate fall in both I 

 preasure in tin- venous, bee i the bl< 

 in tho thorax :m<l lungs, and in * 

 now delayed in its j > ; i *- ^ .- 1 lt • • from tl art 



[f this condition is maintained, tl 

 what, but that in the veins is permanently 



