The Respiratory System

Master the respiratory system! Label parts and learn functions with our engaging worksheet.

The Respiratory System mouth lung diaphragm bronchiole alveoli trachea Larynx Pharynx Match the structure of the respiratory system with its function. Trachea Carries air to the lungs Larynx Produces our voice Alveoli Allows oxygen to move into the blood stream Lungs The essential organ of the respiratory system Diaphragm Muscle that helps to expand and contract the lungs Fill in the blanks. The gas that we breathe in is oxygen. The gas that we breathe out is carbon dioxide.