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Explain what causes chills in humans during malarial attack. - Biology (Theory)

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Question

Explain what causes chills in humans during malarial attack.

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Solution

Chills in humans during a malarial attack are caused by the release of haemozoin in the blood plasma. Haemozoin is a toxic by-product released when the parasite ruptures the red blood cells during its reproductive cycle. This toxic substance induces high fever and shivering, which manifest as chills in the person affected by malaria.

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Chapter 10: Human Health and Diseases - TEST YOUR PROGRESS [Page 428]

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Nootan Biology [English] Class 12 ISC
Chapter 10 Human Health and Diseases
TEST YOUR PROGRESS | Q 20. a. | Page 428
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