Dust mites - HD 影片檔
Animation of dust mites (Dermatophagoides sp.) moving around. Dust mites are tiny arachnids that live in human homes, feeding on detritus such as shed skin. They are not parasitic and do not harm humans directly, although they may provoke allergic reactions and asthma in some people. Dust mites reach a maximum length of about 0.3 millimetres (300 microns).
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