PATHOLOGY

Detailed explanation-1: -Cell is the smallest and fundamental unit of life. All living organisms are essentially made up of cells and the functions carried out by cells is responsible for the perpetuation of life. This is the reason why cells are also referred to as basic structural unit of living organisms.

Detailed explanation-2: -A group of cells form a tissue which performs a specific function. A group of tissue forms an organ and in the same way, a group of organs form an organism. That is why cells are considered as the basic structural units of living organisms.