NEET BIOLOGY

Detailed explanation-1: -A group of cells that are similar in structure and/or function forms a tissue. Various tissues organise to form an organ. Organs together form the organ system and then organism.

Detailed explanation-2: -Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.

Detailed explanation-3: -A cell is a structural and functional unit of life. All living organisms are made up of tiny microscopic cells. Cells organize to form tissues. Tissues organize to form organ and organs form organ systems.

Detailed explanation-4: -Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissue: nervous tissue, epithelial tissue, connective tissue, and muscle tissue.

Detailed explanation-5: -The body of a multicellular organism, such as a tree or a cat, exhibits organization at several levels: tissues, organs, and organ systems. Similar cells are grouped into tissues, groups of tissues make up organs, and organs with a similar function are grouped into an organ system.