Question

you are Sahil sahira resident of 12 Mall road kanpur you recently visited an orphanage and saw many children living in poor conditions you feel symphony for them they should get good food healthy living conditions and proper education write a letter 100\120word to the editor of a national daliy requesting the authorities to take proper care of these helpless children​

Answer 1

Answer:

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells.