The substances human body produces to fight against disease germs are called:

A. Vaccines
B. Serums
C. Viruses

D. Antibodies

Occurrence: PPSC - HEALTH EDUCATOR (BS 17) - PUNJAB DEPARTMENT - 2014

The substances human body produces to fight against disease germs are called: | Antibodies | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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