What are the Great Plain Region History. Tell in your own words.

Please,
Thank You.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

the answers are a and c

you can have just about every answer you can think of