3D lesson · Class 10 Biology
Human Respiratory System
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3D lesson
The Journey of a Breath
Follow one breath of air from the nostrils to the alveoli, and watch oxygen pass into the blood.
Turn your sound on for narration.
Space play/pause · ← → seek · M mute · R replay scene · F fullscreen
Lesson complete
Lesson Complete
You followed the journey of air through the human respiratory system.