Summary
Dr. Binocs explains how air travels into the lungs and how we take in oxygen and let out carbon dioxide. Strong support for a body-systems unit.
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Teaching resources
Discussion questions
Discussion
Dr.
- What gas does your body take in when you breathe?
- What gas do you breathe out?
- What organ does most of the work when you breathe?
Quick work-a-long
Vocabulary: lungs, oxygen, carbon dioxide, breathe.
Try it: Place a hand on your chest, take three deep breaths, and describe what your lungs are doing.