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(C) The life cycle of $Ascaris$ involves a complex migration pattern within the human host.After ingestion of embryonated eggs,the larvae hatch in the

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Development and moulting takes place in the alveoli of lungs.

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(C) The life cycle of $Ascaris$ involves a complex migration pattern within the human host.After ingestion of embryonated eggs,the larvae hatch in the small intestine.These larvae then penetrate the intestinal wall and migrate through the circulatory system to the liver,heart,and eventually the lungs.In the alveoli of the lungs,the larvae undergo development and moulting (specifically the third and fourth moults) before migrating up the trachea to be swallowed again,eventually reaching the small intestine to mature into adults.

Choose the correct statement with reference to $Ascaris$.

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