Levels of Cellular Organization

Front

What are the levels of cellular organization in living things?

Back

The levels of cellular organization are: atoms, molecules, cells, tissues, organs, organ systems, and organisms.

Front

What is an organ?

Back

An organ is a group of tissues that work together to perform a specific function in an organism.

Front

What is a tissue?

Back

A tissue is a group of similar cells that work together to perform a specific function.

Front

What is a cell?

Back

A cell is the basic unit of life, the smallest structure that can perform all life processes.

Front

What is an organ system?

Back

An organ system is a group of organs that work together to perform complex functions for the organism.

Front

What is the smallest level of organization?

Back

The smallest level of organization is the atom.

Front

What comes after cells in the levels of organization?

Back

After cells, the next level of organization is tissues.

Front

What is the correct order of levels of organization from smallest to largest?

Back

The correct order is: cell, tissue, organ, organ system, organism.

Front

What do organ systems do?

Back

Organ systems work together to maintain homeostasis and support the life of the organism.

Front

What is an example of an organ?

Back

An example of an organ is the heart, which pumps blood throughout the body.