lungs

bloodstream cancer cigarettes death human humans lung lungs organ organs oxygen respiratory smoke smoking system vertebrates skin skins tissue tissues blood bloody branch branches body bodies respiration channel channels spinal column columns rose dark red bone bones cervical vertebrate mortal personal anthropoid biped hominid individual anthropological anthropomorphic bipedal civilized creatural ethnologic ethological fallible fleshly hominal hominine humanistic vulnerable smouldering medical healing medicinal pharmaceutical preventive therapeutic cathartic curative disinfectant narcotic prophylactic restorative sedative tonic alleviating medicating pathological peptic