What is a group of specialized cells called when they work together to perform a specific function? - Quora
ScientifiQulture - Tissues, organs, & organ systems ... Key points • Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. • The body
![Discovering the Complexity: Exploring the Levels of Organization within Organisms | Cambridge IGCSE Biology - Tutopiya Discovering the Complexity: Exploring the Levels of Organization within Organisms | Cambridge IGCSE Biology - Tutopiya](https://www.tutopiya.com/wp-content/uploads/2023/06/IMG_5952.jpeg)