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Air pathway to the lungs

Air pathway to the lungs

Respiratory pathway from mouth and nose through trachea, bronchi, bronchioles and alveoli, with left and right lungs labelled The respiratory pathway is the route air takes from outside the body to the alveoli. In PE, this matters because muscles need oxygen for aerobic activity and need carbon dioxide removed.

The respiratory pathway and gas exchange at the alveoli Lesson

  1. GCSE
  2. /Physical Education
  3. /The respiratory pathway and gas exchange at the alveoli

Step-by-step lessons covering AQA GCSE Physical Education The respiratory pathway and gas exchange at the alveoli for GCSE Physical Education. Each lesson works through exam-style questions.

Lessons