Question

explain how harmful chemical enter our body

Answer 1

several pesticides and other chemicals to protect our crops from diseases and pest .these chemicals are either washed down into the soil or into the water bodies .from the soil ,these are absorbed by the plants along with water and minerals and from water bodies these are taken up by aquatic plants and animals .this phenomenon was known as biological magnification

Answer 2

Answer:

Breathing of contaminated air is the most common way that workplace chemicals enter the body. Some chemicals, when contacted, can pass through the skin into the blood stream. The eyes may also be a route of entry. ... Workplace chemicals may be swallowed accidentally if food, hands, or cigarettes are contaminated.