We are began as a single cell, but by the time that we are an adult, we have trillion of cells in our body. This happen because our cells are constantly dividing and when they divide they make new cells. A group of cells form a tissue, a tissue form the organ, an organ compound the system of organ and then the individual. We all have this question, why our cells are dividing constantly? Cells divide to replace old or damaged cells, and also living organism can grow and reproduce. There are two ways that cells can divide, mitosis and meiosis. These two methods has their own characteristics.
Mitosis is how somatic cells divide (no reproductive cells). This cells made up most of the body tissues and organs such as the lungs, the skin, muscles
Mitosis is how somatic cells divide (no reproductive cells). This cells made up most of the body tissues and organs such as the lungs, the skin, muscles