Epithelial tissue is a special type of tissue that forms the outer covering of the body (skin), and it also lines the internal organs, such as the mouth, lungs, blood vessels, and intestine. It is made up of closely packed cells with little space between them. It acts as a protective barrier against the entry […]
Osmosis is the process in which the movement of water molecules takes place from a region of higher water concentration to lower water concentration through a selectively permeable membrane. Osmosis is an important process in our day-to-day life. Living organisms such as plants and animals do osmosis to maintain their lives. For example, plants use
What is mitosis? Mitosis is a type of cell division in which one parent cell divides to form two identical daughter cells. Also, the number of chromosomes in the daughter cell is the same as the parent cell. Each cell contains 23 pairs of chromosomes. It means it has a total of 46 chromosomes that
Plasma membrane called selectively permeable membrane because it pass only selected substance in or out through the cell. What is Plasma Membrane The plasma membrane is a outermost covering of a cell that is thin, flexible and a living membrane that surrounds the cell and protect the content of the cell from the external environment.
Sound is the form of wave energy that travels through a medium such as solids, liquids and gases.