The Respiratory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 18 clues. Answers range from 5 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

What is the large muscle seperating the chest cavity from the abdominal cavity that helps with breathing?
What is the windpipe also known as?
What are the small spaces within the skull that regulate the temperature and humidity of the air taken into the body called?
What is the tube that carries air down into the windpipe?
What is the flap over the trachea that prevents clogging?
What carry air into the lungs?
What is the voicebox known as?
What are the small air sacs within the lungs associated with gas exchange?
When inhaling, what do your lungs do?
What is the thin lining within the lungs that allows them to inflate and deflate without loosing shape?
What are the tiny hairs that keep mucus and dirt out of your lungs?
Severe chest pain, shallow breathing and fever are symptoms of?
What would one do in order to clear the upper respiratory tract?
What does oxygen bind to on a blood cell?
When standing, respiration is?
What is the breathing disorder characterized by coughing and wheezing?
What infection occurs when there is an inflammation of lungs where air sacs fill with pus and liquid?
How many lobes does the right lung have?

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