血液循环

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

液 = 夜 + 氵 : Maud Younger (y) wanted to empty her chamber pot (夜) in the elevator's bathroom (e4), but she finds the toilet clogged. She'll have to store the liquid (液) in an empty water bottle (氵) instead.

循 = 彳 + 盾 : Xu Xian (xu) is following (循) his hero into the encampment. In the kitchen ((e)n2) he is walking a path made out of shields (盾) wearing black sneakers (彳).

环 = 不 + 王 : Helga Horse and Martin Luther King desperately want to play with the hula hoop loops hanging around just inside the anthill's kitchen, but there's a big forbidden sign clearly saying that they are not to play with the hula hoop loops.

环 = 不 + 王 : Helga Horse and Martin Luther King desperately want to play with the hula hoop loops hanging around just inside the anthill's kitchen, but there's a big forbidden sign clearly saying that they are not to play with the hula hoop loops.