Respiratory System Crossword Puzzle

About the Respiratory System Crossword Puzzle

This puzzle covers the structures and processes that help the body breathe, from the nose and trachea to the lungs and diaphragm. Look for terms such as alveoli, oxygen, exhale, and gas exchange, along with common respiratory conditions. It is a useful vocabulary activity for students learning human biology and anyone curious about how breathing works.

This crossword draws on 45 clues about Respiratory System. Each grid uses a different handful and fits them together a new way, so press New puzzle for another whenever you finish. The answers are in the answer key when you print, and behind the Reveal button when you play.

Sample clues

• •Passage carrying gases to the lungs (6 letters)
• •Tiny branching passage within a lung (10 letters)
• •Tiny hairs that help sweep particles from passages (5 letters)
• •Breathe out (6 letters)
• •Located between the ribs (11 letters)
• •Hollow space behind the nostrils (11 letters)
• •Membranes surrounding each lung (6 letters)
• •Air-filled space within the skull (5 letters)

Teaching this topic or planning a party? Make your own crossword with your own words and clues.