Levels of Organization in Living Things

Front

What is the smallest unit of life?

Back

Cell

Front

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

Back

Tissue

Front

What is a structure made up of different types of tissues working together?

Back

Organ

Front

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

Back

Organ system

Front

What is the highest level of organization in living things?

Back

Organism

Front

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

Back

Heart, lungs, brain

Front

What is an example of a tissue in the human body?

Back

Muscle tissue, nervous tissue

Front

What is the function of the digestive system?

Back

To break down food and absorb nutrients.

Front

How do cells relate to tissues?

Back

Cells make up tissues.

Front

What is the role of lysosomes in a cell?

Back

To digest waste materials and cellular debris.