AP BIOLOGY

Detailed explanation-1: -The next level is the organ system level. Many organs working together to accomplish a common purpose create an organ system.

Detailed explanation-2: -After tissues, organs are the next level of organization of the human body. An organ is a structure that consists of two or more types of tissues that work together to do the same job. Examples of human organs include the brain, heart, lungs, skin, and kidneys.

Detailed explanation-3: -The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.

Detailed explanation-4: -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-5: -The tissue level of organization consists of a group of cells that work together to accomplish one or more specific functions.