AP BIOLOGY

Detailed explanation-1: -Humans-and other complex multicellular organisms-have systems of organs that work together, carrying out processes that keep us alive. The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.

Detailed explanation-2: -Some examples of organ systems and their functions include the digestive system, the cardiovascular system, and the musculoskeletal system.

Detailed explanation-3: -Organism: Individual living thing that may be made up of one or more organ systems.

Detailed explanation-4: -An organ system is a group of organs that work together to perform one or more functions. Each organ has a specific function in the body and is made up of certain tissues. Examples of organ systems are-The Respiratory System and Circulatory System.

Detailed explanation-5: -Complete answer: All living organisms are made up of cells. The cell is defined in easy words as the basic structural, functional, and biological unit of all known organisms. A cell is known to be the smallest unit of life.