Membranous Sac That Can Be Filled With Air Or Gas . CodyCross still manages to exceed everyone’s expectations. The remarkable word trivia game is offering more exciting features each day. Besides the ‘Adventure’ classic mode that has kept busy during all this time, a whole new game mode is introduced to all and is just as exciting as it should be.
Membranous Sac That Can Be Filled With Air Or Gas
ANSWER: BLADDER