

Go Direct Spirometer is designed to make human respiratory measurements easy.
NCERT Coverage
4
experiments
2
classes
1
subjects
Experiments per class
NCERT Practicals
Lung Volumes and Capacities (Biology with Vernier)
Breathing and Exchange of Gases
Measure TV, IRV, ERV, VC — chapter gives exact values: TV 500 mL, IRV 2500-3000, ERV 1000-1100, RV 1100-1200
Effect of Exercise on Breathing Rate
Breathing and Exchange of Gases
Compare tidal volume and breathing rate before/after exercise — chapter discusses regulation by CO₂/H⁺ chemosensors
Breathing Rate During Exercise
Locomotion and Movement
Measure respiratory rate changes with exercise intensity — chapter discusses O₂ demand of red muscle fibres
Effect of Exercise on Heart Rate and Breathing
Human Health and Disease
Monitor physiological responses — chapter discusses adrenaline effects on HR, BP, and respiration
Frequently Paired
Sensors that appear in the same NCERT experiments as the Go Direct® Spirometer.