White blood cells patrol the body searching for potential sources of infection and destroy invading pathogens, such as ________, ________, ________, and ________.
A: viruses
B: bacteria
C: fungi
D: parasitic microorganisms
A: viruses
B: bacteria
C: fungi
D: parasitic microorganisms
举一反三
- 中国大学MOOC: White blood cells patrol the body searching for potential sources of infection and destroy invading pathogens, such as ________, ________, ________, and ________.
- Which of the following is NOT function of white blood cells ____. A: Guard against infection B: Fight parasites C: Attack bacteria D: Carry oxygen
- Viruses can reproduce on their own and destroy host cells while bacteria cannot.
- The function of immunological defense refers to ( ). A: prevent pathogenic microorganisms invading the body B: inhibit the proliferation and spread of pathogenic microorganisms in the body C: clear the old, dead, or damaged cells in the body D: remove pathogenic microorganisms and their products from the body
- The term which means abnormal condition of white blood cells (slight increase in normal cells to fight infection) is ____.