Human Body Systems Practice

Front

What is the smallest unit of life?

Back

Cell

Front

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

Back

Cell, Tissue, Organ, Organ System, Organism

Front

What organ system filters blood and removes liquid waste?

Back

Excretory/Urinary System

Front

What organ mixes food with chemicals and churns it?

Back

Stomach

Front

What is the function of the diaphragm?

Back

It attaches to the lungs to help in breathing.

Front

Which organ is responsible for gas exchange in the respiratory system?

Back

Lungs

Front

What is a group of similar cells that work together called?

Back

Tissue

Front

What system is responsible for transporting nutrients and oxygen throughout the body?

Back

Circulatory System

Front

What organ breaks down food into smaller parts?

Back

Stomach

Front

What is the main function of the lungs?

Back

To exchange oxygen and carbon dioxide.