Levels of Organization

Front

What is the smallest unit of life?

Back

A cell.

Front

What is a group of similar cells that perform a specific function called?

Back

A tissue.

Front

What is an organ?

Back

A structure made up of two or more types of tissues that work together to perform a specific function.

Front

What is an organ system?

Back

A group of organs that work together to perform complex functions for the body.

Front

What is the largest level of organization in living things?

Back

An organism.

Front

What type of tissue connects different parts of the body?

Back

Connective tissue.

Front

What type of tissue is responsible for transmitting signals in the body?

Back

Nervous tissue.

Front

What is the function of muscle tissue?

Back

To facilitate movement of body parts.

Front

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

Back

Cells form tissues, tissues form organs, and organs form organ systems.

Front

What is the role of epithelial tissue?

Back

To cover and protect surfaces of the body and organs.