diff --git a/code/modules/surgery/organs/brain.dm b/code/modules/surgery/organs/brain.dm
index 762fc793df6..936996505cf 100644
--- a/code/modules/surgery/organs/brain.dm
+++ b/code/modules/surgery/organs/brain.dm
@@ -77,7 +77,7 @@
 		name = "[dna.real_name]'s [initial(name)]"
 
 	if(!owner) return ..() // Probably a redundant removal; just bail
-	
+
 	if(is_species(owner, /datum/species/monkey))
 		name = "[owner.name]'s [initial(name)]"
 
@@ -201,7 +201,7 @@
 	icon = 'icons/mob/slimes.dmi'
 	icon_state = "green slime extract"
 	mmi_icon_state = "slime_mmi"
-	organ_datums = list(/datum/organ/heart, /datum/organ/lungs)
+	organ_datums = list(/datum/organ/heart, /datum/organ/lungs/slime)
 
 /obj/item/organ/internal/brain/golem
 	name = "Runic mind"
diff --git a/code/modules/surgery/organs/lungs.dm b/code/modules/surgery/organs/lungs.dm
index 0bc891a8d87..d7da39f086e 100644
--- a/code/modules/surgery/organs/lungs.dm
+++ b/code/modules/surgery/organs/lungs.dm
@@ -27,10 +27,21 @@
 	organ_datums = list(/datum/organ/lungs/vox)
 
 /obj/item/organ/internal/lungs/drask
+	name = "drask lungs"
 	icon = 'icons/obj/species_organs/drask.dmi'
 
 	organ_datums = list(/datum/organ/lungs/drask)
 
+/obj/item/organ/internal/lungs/tajaran
+	name = "tajaran lungs"
+	icon = 'icons/obj/species_organs/tajaran.dmi'
+	organ_datums = list(/datum/organ/lungs/tajaran)
+
+/obj/item/organ/internal/lungs/unathi
+	name = "unathi lungs"
+	icon = 'icons/obj/species_organs/unathi.dmi'
+	organ_datums = list(/datum/organ/lungs/unathi)
+
 /obj/item/organ/internal/lungs/cybernetic
 	name = "cybernetic lungs"
 	desc = "A cybernetic version of the lungs found in traditional humanoid entities. It functions the same as an organic lung and is merely meant as a replacement."
diff --git a/code/modules/surgery/organs/organ_datums/lung_datum.dm b/code/modules/surgery/organs/organ_datums/lung_datum.dm
index 1478f496ed7..1aaedb1a3ee 100644
--- a/code/modules/surgery/organs/organ_datums/lung_datum.dm
+++ b/code/modules/surgery/organs/organ_datums/lung_datum.dm
@@ -40,7 +40,7 @@
 	var/hot_message = "your face burning and a searing heat"
 	var/heat_level_1_threshold = 360
 	var/heat_level_2_threshold = 400
-	var/heat_level_3_threshold = 1000
+	var/heat_level_3_threshold = 460
 	var/heat_level_1_damage = HEAT_GAS_DAMAGE_LEVEL_1
 	var/heat_level_2_damage = HEAT_GAS_DAMAGE_LEVEL_2
 	var/heat_level_3_damage = HEAT_GAS_DAMAGE_LEVEL_3
@@ -329,12 +329,47 @@
 	cold_level_3_damage = -COLD_GAS_DAMAGE_LEVEL_3
 	cold_damage_types = list(BRUTE = 0.5, BURN = 0.25)
 
+	heat_level_1_threshold = 310
+	heat_level_2_threshold = 340
+	heat_level_3_threshold = 400
+
+/datum/organ/lungs/tajaran
+	cold_level_1_threshold = 240
+	cold_level_2_threshold = 180
+	cold_level_3_threshold = 100
+
+	heat_level_1_threshold = 340
+	heat_level_2_threshold = 380
+	heat_level_3_threshold = 440
+
+/datum/organ/lungs/unathi
+	cold_level_1_threshold = 280
+	cold_level_2_threshold = 220
+	cold_level_3_threshold = 140
+
+	heat_level_1_threshold = 505
+	heat_level_2_threshold = 540
+	heat_level_3_threshold = 600
+
 /datum/organ/lungs/ashwalker
 	safe_oxygen_min = 4 // 4x as efficient as regular Unathi, can comfortably breathe on lavaland
 	heat_level_1_threshold = 505
 	heat_level_2_threshold = 540
 	heat_level_3_threshold = 600
 
+	cold_level_1_threshold = 280
+	cold_level_2_threshold = 220
+	cold_level_3_threshold = 140
+
+	heat_level_1_threshold = 505
+	heat_level_2_threshold = 540
+	heat_level_3_threshold = 600
+
+/datum/organ/lungs/slime
+	cold_level_1_threshold = 280
+	cold_level_2_threshold = 240
+	cold_level_3_threshold = 200
+
 /datum/organ/lungs/advanced_cyber/New(obj/item/organ/internal/link_em)
 	. = ..()
 	make_advanced()
diff --git a/code/modules/surgery/organs/subtypes/tajaran_organs.dm b/code/modules/surgery/organs/subtypes/tajaran_organs.dm
index 055228c7a49..0615bf28c8e 100644
--- a/code/modules/surgery/organs/subtypes/tajaran_organs.dm
+++ b/code/modules/surgery/organs/subtypes/tajaran_organs.dm
@@ -27,10 +27,6 @@
 	mmi_icon = 'icons/obj/species_organs/tajaran.dmi'
 	mmi_icon_state = "mmi_full"
 
-/obj/item/organ/internal/lungs/tajaran
-	name = "tajaran lungs"
-	icon = 'icons/obj/species_organs/tajaran.dmi'
-
 /obj/item/organ/internal/kidneys/tajaran
 	name = "tajaran kidneys"
 	icon = 'icons/obj/species_organs/tajaran.dmi'
diff --git a/code/modules/surgery/organs/subtypes/unathi_organs.dm b/code/modules/surgery/organs/subtypes/unathi_organs.dm
index c0887844d78..180f8a5cad8 100644
--- a/code/modules/surgery/organs/subtypes/unathi_organs.dm
+++ b/code/modules/surgery/organs/subtypes/unathi_organs.dm
@@ -21,10 +21,6 @@
 	mmi_icon = 'icons/obj/species_organs/unathi.dmi'
 	mmi_icon_state = "mmi_full"
 
-/obj/item/organ/internal/lungs/unathi
-	name = "unathi lungs"
-	icon = 'icons/obj/species_organs/unathi.dmi'
-
 /obj/item/organ/internal/kidneys/unathi
 	name = "unathi kidneys"
 	icon = 'icons/obj/species_organs/unathi.dmi'