血栓

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.

栓 = 木 + 全 : Sheldon Shrimp (shu) cut off all the branches of a Christmas tree (木) in front of the anthill (an1) and now the tree is leaking tree gum from the cuts. To stop the bleeding, Sheldon stuffs tampons (栓) into the smaller holes and wholewheat bread (全) into the larger holes.