Okay

code/modules/surgery/organs/ears.dm

@@ -116,4 +116,24 @@
 	name = "tin ears"
 	desc = "The robust ears of a bronze golem. "
 	damage_multiplier = 0.1 //STRONK
-	bang_protect = 1 //Fear me weaklings. 
+	bang_protect = 1 //Fear me weaklings.
+
+/obj/item/organ/ears/cybernetic
+	name = "cybernetic ears"
+	icon_state = "ears-c"
+	desc = "a basic cybernetic designed to mimic the operation of ears."
+	damage_multiplier = 0.9
+	organ_flags = ORGAN_SYNTHETIC
+
+/obj/item/organ/ears/cybernetic/upgraded
+	name = "upgraded cybernetic ears"
+	icon_state = "ears-c-u"
+	desc = "an advanced cybernetic ear, surpassing the performance of organic ears"
+	damage_multiplier = 0.5
+This conversation was marked as resolved by ExcessiveUseOfCobblestone
+
+/obj/item/organ/ears/cybernetic/emp_act(severity)
+	. = ..()
+	if(. & EMP_PROTECT_SELF)
+		return
+	damage += 40/severity

code/modules/surgery/organs/lungs.dm

@@ -73,27 +73,28 @@
 
 //TODO: lung health affects lung function
 /obj/item/organ/lungs/onDamage(damage_mod) //damage might be too low atm.
+	cached_damage = damage
 	if (maxHealth == INFINITY)
 		return
-	if(damage+damage_mod < 0)
-		damage = 0
+	if(cached_damage+damage_mod < 0)
+		cached_damage = 0
 		return
 
-	damage += damage_mod
-	if ((damage / maxHealth) > 1)
+	cached_damage += damage_mod
+	if ((cached_damage/ maxHealth) > 1)
 		to_chat(owner, "<span class='userdanger'>You feel your lungs collapse within your chest as you gasp for air, unable to inflate them anymore!</span>")
 		owner.emote("gasp")
 		SSblackbox.record_feedback("tally", "fermi_chem", 1, "Lungs lost")
 		//qdel(src) - Handled elsewhere for now.
-	else if ((damage / maxHealth) > 0.75)
+	else if ((cached_damage / maxHealth) > 0.75)
 		to_chat(owner, "<span class='warning'>It's getting really hard to breathe!!</span>")
 		owner.emote("gasp")
 		owner.Dizzy(3)
-	else if ((damage / maxHealth) > 0.5)
+	else if ((cached_damage / maxHealth) > 0.5)
 		owner.Dizzy(2)
 		to_chat(owner, "<span class='notice'>Your chest is really starting to hurt.</span>")
 		owner.emote("cough")
-	else if ((damage / maxHealth) > 0.2)
+	else if ((cached_damage / maxHealth) > 0.2)
 		to_chat(owner, "<span class='notice'>You feel an ache within your chest.</span>")
 		owner.emote("cough")
 		owner.Dizzy(1)
@@ -540,4 +541,4 @@
 
 /obj/item/organ/lungs/yamerol/on_life()
 	..()
-	damage += 2 //Yamerol lungs are temporary
+	damage += 2 //Yamerol lungs are temporary

code/modules/surgery/organs/tongue.dm

@@ -30,7 +30,7 @@
 
 /obj/item/organ/tongue/proc/handle_speech(datum/source, list/speech_args)
 
-/obj/item/organ/tongue/proc/adjustTongueLoss(mob/living/carbon/M, damage_mod)
+/obj/item/organ/tongue/proc/onDamage(damage_mod)
 	if (maxHealth == "alien")
 		return
 	if (maxHealth == "bone")