Makes smaller mobs have smaller organs

code/modules/organs/organ.dm

@@ -50,6 +50,7 @@ var/list/organ_cache = list()
 		max_damage = min_broken_damage * 2
 	if(istype(holder))
 		src.owner = holder
+		src.w_class = max(src.w_class + mob_size_difference(holder.mob_size, MOB_MEDIUM), 1) //smaller mobs have smaller organs.
 		species = all_species["Human"]
 		if(holder.dna)
 			dna = holder.dna.Clone()

code/modules/organs/subtypes/standard.dm

@@ -2,6 +2,8 @@
 			   ORGAN DEFINES
 ****************************************************/
 
+//Make sure that w_class is set as if the parent mob was medium sized! This is because w_class is adjusted automatically for mob_size in New()
+
 /obj/item/organ/external/chest
 	name = "upper body"
 	organ_tag = BP_TORSO