ANATOMY
LYMPHATIC SYSTEM
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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 micro-organisms that cause disease 
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  pathogen 
 
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  antigen 
 
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 Either A or B
 
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 None of the above
 
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 Explanation: 
Detailed explanation-1: -A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.
Detailed explanation-2: -Infectious diseases are diseases caused by microorganisms. These are microscopic organisms, such as bacteria, viruses, fungi, or parasites.
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