Fig. 4From: Reactive Oxygen Species-Related Nanoparticle Toxicity in the Biomedical FieldNP entrance into and damage of organs. a NPs could enter into the organisms through the oral cavity, nasal cavity, respiratory tract, kidneys, and intestinal tract; b NPs could spread by systemic circulation and accumulate in the kidneys, liver, heart, brain, intestinal tract, and lungs, leading to organ dysfunction (This figure was created in BioRender.com).Back to article page