Respiratory System Word Search
This respiratory system word search has forty words for the breathing unit: the trachea, bronchus and bronchioles, the alveoli where gases trade places, the diaphragm, the larynx and epiglottis, the cilia and mucus that clean the air, and the hiccup.
Air comes in through the nose, where hairs and sticky mucus trap dust, and passes the pharynx and the larynx, the voice box that holds the vocal cords. When you swallow, a flap called the epiglottis folds over the opening so food goes down the esophagus and not the windpipe. The trachea splits into two bronchi, which branch again and again into bronchioles and end in hundreds of millions of tiny air sacs, the alveoli, where oxygen passes into the blood and carbon dioxide comes out.
The lungs have no muscle of their own. The diaphragm, a dome of muscle under them, contracts and flattens to draw air in and relaxes to let it out, helped by the intercostal muscles between the ribs. The right lung has three lobes and the left only two, leaving room for the heart. A hiccup is a sudden twitch of the diaphragm followed by the vocal cords snapping shut, which makes the hic.
Free Respiratory System Word Search Online Game
Play the Respiratory System word search in your browser, on your own or head to head against a friend in real time. Nothing to install and no account needed – send someone the link and you are both looking at the same grid.
Respiratory System Word Search Printable Puzzles
Three sheets to choose from, free to print or download as a PDF. Pick a difficulty below, or open the printable Respiratory System word search page to see all three together, generate a fresh grid, and check the full word list.
Hard
15x15 grid, up to 23 hidden words
Print or Download pdfMedium
12x12 grid, up to 15 hidden words
Print or Download pdfEasy
10x10 grid, 5 words across and down
Print or Download pdf
Puzzle Vocabulary Words
Below you can see all possible words that the topic Respiratory System has.
Depends on difficulty level you select in the game amount of words hidden in the puzzle will be different.
In Easy game you have to find up to 5 words, medium game can have up to 15 words and hard puzzle can have up to 23 words.
Every time you start a new game - our word search generator will pick random words to build the puzzle.
- Airway
- Altitude
- Alveoli
- Asthma
- Breathing
- Bronchioles
- Bronchus
- Capacity
- Cilia
- Cough
- Diaphragm
- Epiglottis
- Exhale
- Gas Exchange
- Hiccup
- Inhale
- Intercostal
- Larynx
- Lobes
- Lungs
- Mucus
- Nasal Cavity
- Nostrils
- Oxygen
- Pharynx
- Pleura
- Pneumonia
- Respiration
- Sinus
- Sneeze
- Snore
- Spirometer
- Surfactant
- Tonsils
- Trachea
- Uvula
- Ventilation
- Vocal Cords
- Windpipe
- Yawn
