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While not being that many, a select few spore blocks will drop unique items upon being broken. Interestingly, all of which have to do with the Human Remains block, and even weirder, they all have to do with food.
Decayed Torso
Usage: Decayed Torsos are required to create Stuffed Torsos.
Obtaining: Dropped from Human Remains blocks.
Stack Size: 64
ID: spore:decayed_torso
Frozen Decayed Biomass
Usage: Frozen Decayed Biomass is required to create Meaty Icecream.
Obtaining: Dropped from Frozen Remains blocks.
Stack Size: 64
ID: spore:frozen_decayed_biomass