中国大学MOOC: White blood cells patrol the body searching for potential sources of infection and destroy invading pathogens, such as ________, ________, ________, and ________.
举一反三
- 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
- The term which means abnormal condition of white blood cells (slight increase in normal cells to fight infection) is ____.
- Which of the following is NOT function of white blood cells ____. A: Guard against infection B: Fight parasites C: Attack bacteria D: Carry oxygen
- 中国大学MOOC: The human body is incredibly __________. When you donate a pint of blood, you lose about 3.5 trillion red blood cells, but your body quickly replaces them.
- Antibodies are made by a class of white blood cells called ___ lymphocytes.