The endocrine system can influence behavior of an animal as early as embryonic development. This is considered an effect

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.

i think its white blood cells

i hope this

if you know your abc's you should be able to get your answer or just use google