Proneness to mental illness is
Extra affection to a child
Quarrelsome family
Poverty and lack of opportunities
Heredity
Filaria, malaria, dengue fever, sleeping sickness, yellow fever are transmitted by
AIDS is characterised by a sharp reduction is
Except skin, other physical barriers which also helps to prevent the entry of the microorganisms are
$I.$ mucus coating of the epithelium lining the respiratory
$II.$ gastrointestinal tracts
$III.$ urogenital tracts
Choose the correct option
Schuffner's dots are related to