Question
Biology Question on human health and disease
Natural killer lymphocytes are an example for
A
Physical bather
B
Cytokine barrier
C
Cellular barrier
D
Physiological bather
Answer
Cellular barrier
Explanation
Solution
Certain types of leucocytes of our body (like polymorphonuclear leucocytes (PMNL-neutrophils) and monocytes), natural killer lymphocytes and macrophages are examples of cellular barriers of immunity