Vaccination - A method of making a person immune to a disease, Antibody - Your body produces this to fight off pathogens, Bacteria - Can be destroyed by antibiotics, Virus - Reproduces inside a cell,

अज्ञात द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?