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"Education is the most powerful weapon which you can use to change the world”
– Nelson Mandela

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Unit 2 Question 1

Unit 2 Question 1

Q Toxicity can manifest in numerous ways. Describe at least four of these ways.

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Common manifestation of toxic are described below: 1. Allergy: This is caused by exposure to certain substance like bee venom, pollen that provokes immunity .When body encounter this substances our immune cells produces a protein called antibodies. Sometime our immune system become over active act reacts against harmless substances considering them as allergen. Allergy may be mild to severe like sneezing, itching, conjunctivitis, swelling of lip, face, tongue or throat, oedema, etc. Increased severity may cause anaphylaxis, i.e. loss of consciousness, nausea, vomiting, skin rashes etc.