investigatory project on common viral diseases in human class 12

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Diseases are broadly classified into two categories: • A. CONGENITAL DISEASES • Diseases present since birth and are caused due to defective development of inheritance e.g. congenital heart diseases, hemophilia, colour blindness etc. • B. Acquired diseases • Diseases developed after birth. They are further classified as- • a) Communicable diseases • b) Non-Communicable diseases • PDF LINK ----- https://projectacademy2002.blogspot.c...

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