Levels of Organization

Front

What is the smallest unit of life?

Back

Cell

Front

What do we call two or more tissues that work together to perform a common function?

Back

Organ

Front

What is a living thing made up of several organ systems working together?

Back

Organism

Front

What is an example of a group of organs that work together to perform a specific function?

Back

Organ system

Front

What is the term for a group of similar cells that perform a specific function?

Back

Tissue

Front

What is the hierarchy of biological organization from smallest to largest?

Back

Cell, Tissue, Organ, Organ System, Organism

Front

What is an example of an organ in the human body?

Back

Heart, Liver, Brain, etc.

Front

What is an example of a tissue type?

Back

Muscle tissue, Nervous tissue, Epithelial tissue, etc.

Front

What is the function of an organ system?

Back

To carry out complex functions necessary for life.

Front

How do cells, tissues, organs, and organ systems relate to each other?

Back

Cells make up tissues, tissues make up organs, and organs make up organ systems.