Question

Need... . Answer... Hv... Doubt

Answer 1

natural killer cells...these are lymphocytes na...that can bind to timer cells and infected ones...
so..they contain perforin...
produced in bone marrow...
and they are a part of non specific immune response as they are not needed to be activated to fight infections and they clear all kinds of infections...

so...answer is...4th?

Answer 2

Hello,

Lymphocytes are not natual killer but the lysosomes are the correct answer and the answer is option 4