Microplastic is an emerging problem for aquatic as well as terrestrial organisms. Plastic is a synthetic material which is produced from organic polymers including polyethylene, nylon and PVC. There are mainly two types of the MP 1st is primary microplastic and 2nd is secondary microplastic. The source of these microplastic are domestic and industrial products include sunscreens, cosmetic, scrubbers (facial scrubs and hand cleansers) personal care products, insect repellents and materials used in air-blasting, other industrial applications and some plastic are produce breaking of very large plastic by a different process such as chemical deposition, physical fragmentation, physical fragmentation and biological degradation in terrestrial or marine environments. Microplastic cause lethal effect on marine organisms includes invertebrates, vertebrates and other biotas of the marine organisms. Microplastic cause tissue and organ damages, the effect on respiration rates, reduction of feeding, the effect on digestive cavities, to impaired immune functions and physiological stress which influence the status of health and the behavior, accumulation within mussels cause cellular damage which response to oxidative stress and toxic reaction in all organisms of water. Microplastic in aquatic organisms not only kills the marine organisms but also disturb human health. Microplastic directly or indirectly enters into the human food chain and cause digestive problems, stomach disease and cancer in human. Microplastic also causes financial damage because fishes are the main source of income in many countries. Without immediate strong preventive measures about microplastic many problems will be world face in the future. In this article, we discuss the about the source of microplastic, transfer of microplastic, the effect on marine organisms as well as human, ingestion of microplastic and control measure of microplastic.

Keywords: Plastic debris, Human food chain, Fishes, Polyvinylchloride (PVC).

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