EVERYDAY SCIENCE

Detailed explanation-1: -The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.

Detailed explanation-2: -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-3: -The cells in many multicellular animals and plants are specialised, so that they can share out the processes of life. These cells all work together to keep the organism alive.

Detailed explanation-4: -Biology definition: A tissue is an aggregate of cells in an organism that have similar structure and function. Tissues that work in unison to carry out a specific set of functions form an organ.