Natural killer cells (a) make a person look old pretty quickly. (b) are produced in large numbers when we stay awake. (c) help us fight viruses and bacteria. (d) work well even for sleep-deprived people.
Answers
Answer:
Natural killer cells play an important role in tumours and infected cells. It is a type of lymphocyte and it is a component of the innate system. Natural killer cells work to control viral infection. Natural killer cells are also worked to kill cancer.
According to this question, natural killer cells help us viruses and bacterium
Answer:
Ans is option (C). Natural Killer cells helps us in fighting viruses and bacteria.
Explanation:
These cells are lymphocyte that belongs to the family called as B cell and T cell. These are the cell of immune system that produces form the B cell and help in killing bacteria and virus when our body has any kind of infection. They mostly kill those cells which are infected from the virus. This cell also protects us from many kind of viral diseases. They can kill tumour cell.