Question

Explain how harmful chemicals enter our body. Name this phenomenon.​

Answer 1

here is the answer to your question:

Chemicals are discharged from industries and domestic activities directly into rivers and lakes. This water is used for growing crops. Plants absorbs these chemicals along with eater. And many herbivores feed on these plants and drink water. When we eat these crops or animals these chemicals enter into our body causing lots of diseases.
this phenomenon is called biological magnification.

hope this will help.

Answer 2

Answer:

when our get fall in sick it is due to of harmful chemicals in our body.

when harmful chemical enters our body the RNA (Rough Endoplasmic Reticulam) is not able to survive and it brust away. Then our lysosome comes and protect from any harmful bacteria and harmful chemicals... Then our body wakes upp....

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Explanation: