PHYSIOLOGY OF SMOOTH AND STKIATED MUSCLE 



519 



fERCtnTAGL 

 CMA/IGC inWEKiMT 



hOURS 



Fig. 7 Changes in weight undergone by three strips of living smooth muscle, of which 

 one (broken line) was immersed in Ringer's solution; and the other two (unbroken lines) 

 in 0.7 per cent NaCl solution. See Experiments 34, 35 and 36. 





2 y 



nouR^ 



O /V /r /« IX 18 19 20 il 22 2) ■ 



Fig. 8 Changes in weight undergone by the sartorius (broken line) and stomach muscle 

 (unbroken line) of a frog in 0.9 per cent KCl solution. See Experiments 64 and 65. 



