血压

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.

压 = 厂 + 丶 + 土 : Maud Younger once heard that if you apply enough pressure, one can make diamonds out of dirt. In front of the ashram, she tries this out: She puts some dirt into a chocolate factory, applies as much pressure as she can, but all that comes out are petal leaves.