When bacteria appear in tissues, a type of large cell engulfs and destroys them. which process are these ells using to engulf the bacteria. a. exocytosis b. acrive transport c. pinocytosis d. phagocytosis?

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.

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean