HUMAN NUTRITION

Detailed explanation-1: -Cells make up tissues, tissues make up organs, and organs make up organ systems.

Detailed explanation-2: -Therefore, we can conclude that the order of these structures, from smallest to largest, is cells → tissues → organs → organ systems. An organism is one living thing.

Detailed explanation-3: -The cell is the ‘basic building block of life’ and is the smallest functioning part of an organism. A group of cells working together is called a tissue and a collection of tissues all performing a specific function is called an organ. Multiple organs which are connected together are referred to as an organ system.