By Wendy Dusek
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In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief quiz completes the activity.
In this interactive object, learners review respiratory system terminology and then match the terms with their definitions in a drag-and-drop exercise.
Learners examine the anatomical parts of the lungs.
Test your knowledge of Respiration Trivia!
You'll be introduced to respiratory terms.
Asbestos is an infamous public health menace. Find out what it is and the health risks such as lung cancer, mesothelioma and asbestosis.