What is matter? help mee

Matter is anything that has mass and takes up space.

Explanation:

Matter can be anything that are solid, liquid or gas. However, anything that does not have mass and take up space, such as light, are not matter.

A matter is anything that occupies space or mass, for example, our body is a matter because it is taking up space.  Matters can be solid, liquid, or gas

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.