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Certain pathogens are tissue/organ speci...

Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.

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Salmonella typhi causes typhoid.
It infects small intestine.
while intestinal endoparasite(Entamoeba histolytica) causes amoebic dysentery and infects large intestine.
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KUMAR PRAKASHAN-HUMAN HEALTH AND DISEASE -Section -E (Solution of NCERT Exemplar) (Very Short Answer Type Questions (VSQs))
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  15. Name the primary and secondary lymphoid organs .

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  16. Why is an antibody molecule represented as H2 L2 ?

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  17. What does the term memory of the Immune system mean?

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