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Respiratory System

Respiratory System

Air, lungs, chest, diaphragm, breathing, air movement into and out of the lungs, vital lung capacity, lung model, effects of exercise on breathing and heart rate

  • Breathing Machine

    Breathing MachineLesson

    Students create a model that approximates how the lungs, chest and diaphragm interact during breathing.

    Grades: K-2 3-5
  • Heart and Lungs

    Heart and LungsLesson

    Students investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

    Grades: K-2 3-5
  • Lungometer


    Students investigate their own vital lung capacities—the amount of air that can be forced out of the lungs in a single breath.

    Grades: K-2 3-5

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  • Air and Breathing

    Air and Breathing Lesson

    Students explore breathing and air by blowing bubbles and by observing themselves and others during breathing.