KnowraRespiratory systemLinked fromLinked fromThe 20 pages that link to Respiratory system, each with the reason it gives.All 20Broader topic 1Related 4Narrower topic 14Compared with 1Sulfur dioxideRelated: Inhaled SO₂ irritates airways and can trigger breathing difficulties, especially in people with asthma.Cardiovascular systemRelated: It exchanges gases with blood, while circulation transports them between lungs and tissues.LaughterRelated: Laughter interrupts ordinary breathing with repeated bursts of expelled air.Body & organ systemsRelated: It supplies oxygen for cellular metabolism and removes carbon dioxide.