VIRTUAL BIOLOGY LAB · LAB 30
🫁 Breathing and Lung Volume
Explore inhalation, exhalation and the role of the diaphragm.
CBSE Classes 10Interactive practicalDrag & drop challengeStudent notebook
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🔎 Learning objective
Explore inhalation, exhalation and the role of the diaphragm.
3Hands-on matches
1Knowledge check
🧬 Interactive laboratory workspace
Explore the biological idea using the model controls. This is a conceptual classroom simulation.
🫁
Breathing and Lung Volume
During inhalation the diaphragm contracts and moves down, increasing thoracic volume.
PRACTICAL WORKBENCH · EXPERIMENT 30
Ready to begin🧪 Respiratory measurement station: Measure breathing and lung volumes
Minute ventilation = breathing rate × tidal volume; actual lung volumes vary between individuals.
APPARATUS & EXPERIMENT CONTROLS
01 · Set up apparatus02 · Adjust variables03 · Run trial04 · Record reading
◉Spirometer trace▤
OBSERVATION & MEASUREMENTS
Breathing rate—
Tidal volume—
Activity level—
Minute ventilation—Awaiting run
Minute ventilation = breathing rate × tidal volume; actual lung volumes vary between individuals.
Scientific interpretation will appear after the trial.
Scientific note: Set breathing conditions and observe the model spirometer trace and minute ventilation.
Model ready. Choose a condition and run the model to see an observation.
🧪 Hands-on drag & drop challenge
PRACTICAL SKILL BUILDERDrag each item from the tray to its correct destination. On a phone or tablet, tap an item and then tap its destination. Complete all three matches to finish.
🧰 MATERIALS & CONCEPTS
🎯 DROP ZONES
Choose an item and place it in the matching zone.
📓 Observation notebook
Record your observation and export it for revision.
Key concept: During inhalation the diaphragm contracts and moves down, increasing thoracic volume.
🎯 Quick knowledge check
During inhalation, the diaphragm:
Select one answer to check your understanding.
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