Merge pull request #8709 from Trilbyspaceclone/Fel_port_1

Ports "Fixes every issue in the slimes milestone. #44450"

code/modules/surgery/organs/lungs.dm

@@ -442,3 +442,14 @@
 	heat_level_1_threshold = 400 // better adapted for heat, obv. Lavaland standard is 300
 	heat_level_2_threshold = 600 // up 200 from level 1, 1000 is silly but w/e for level 3
 
+/obj/item/organ/lungs/slime
+	name = "vacuole"
+	desc = "A large organelle designed to store oxygen and other important gasses."
+
+	safe_toxins_max = 0 //We breathe this to gain POWER.
+
+/obj/item/organ/lungs/slime/check_breath(datum/gas_mixture/breath, mob/living/carbon/human/H)
+	. = ..()
+	if (breath.gases[/datum/gas/plasma])
+		var/plasma_pp = breath.get_breath_partial_pressure(breath.gases[/datum/gas/plasma])
+		owner.blood_volume += (0.2 * plasma_pp) // 10/s when breathing literally nothing but plasma, which will suffocate you.