血紅蛋白

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.

红 = 工 + 纟 : Mnemonic symbol: a little red book.

Helga Horse (hu) is reading the little red book (红) in the engine's kitchen ((e)ng2), when she discovers that it is being eaten by a silk worm (纟). She overreacts a little and wants to beat the silk worm with a steel beam (工).

蛋 = 疋 + 虫 : Don Quixote (d) is really annoyed by the many mosquitoes (虫) this year. In the anthill's bathroom (an4) he discovers many mosquito eggs (蛋) and angrily tramples on them wearing his gumboots (疋) while the mosquito (虫) parents can only helplessly watch.

蛋 = 疋 + 虫 : Don Quixote (d) is really annoyed by the many mosquitoes (虫) this year. In the anthill's bathroom (an4) he discovers many mosquito eggs (蛋) and angrily tramples on them wearing his gumboots (疋) while the mosquito (虫) parents can only helplessly watch.

白 = 丶 + 日 : Mnemonic symbol: a white flag. The sun (日) is waving with a white (白) flag (白) in the airplane's kitchen (ai2) while Beelzebub (b) is beating them with a big petal leaf (丶).