Organ (Biology)
Summary: The third level of organization is an organ. An organ is made up of a group of different tissues that work together to perform a certain function. Tags: science student-book-7 biology Created: 2026-05-21 Last Updated: 2026-05-21
Organ (Biology)
The third level of organization is an organ. An organ is made up of a group of different tissues that work together to perform a certain function.
Source
This concept is from the [Science Student Book 7](Science Student Book 7/Biology/Body Systems/2.1 Levels of organization.md), Biology section.