immune
举一反三
- The immune system is compared to a library.
- Which<br/>is correct about peripheral immune organ () A: It<br/>is also called secondary immune organ B: It<br/>is the place where NK cell located C: It<br/>is the place where RBC located D: It<br/>is the place where immune response located E: It<br/>includes spleen. liver and mucosal immune system
- Animals are proved amoral and immune to pain.
- Questions 19 to 21 are based on the passage you have just heard.19. A: The function of the human immune system. B: The cause of various auto-immune diseases. C: The viruses that may infect the human immune system. D: The change in people’s immune system as they get older.
- Peripheral immune organs include spleen and lymph nodes.