Microorganisms, such as bacteria, viruses, protozoa, fungi, or yeast that invade the body are known as ________.
A. tumors
B. pathogens
C. interferon
D. immunoglobulins
Answer:B
Microorganisms, such as bacteria, viruses, protozoa, fungi, or yeast that invade the body are known as ________.
A. tumors B. pathogens C. interferon D. immunoglobulins
Explanation: A) Tumors are made of tissue, not microorganisms.