The Breathing System Crossword Puzzle

QUESTIONS LIST: alveoli : tiny air sacs surrounded by tiny blood vessels, bronchus: any of the major passages of the lungs which diverge from the windpipe, bronchi oles : tiny tubes taking air to the alveoli, pneumonia: inflammatory condition that is caused by bacteria entering the alveolus, voice box : allows us to make sounds, rings of cartilage : these surround the trachea, bronchi and bronchioles, they keep the airways open, diaphragm : a sheet of muscle that moves down to draw air into the lungs, and up to expel air out of the lungs, nasal cavity: this refers to the large, air-filled space above and behind our nose in the middle of the face, trachea : passes air to the lungs, asthma: is a common condition that makes breathing air more difficult due to mucus building up in our airways.