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Respiratory system (Stange test, Gencha test)

The test time is about 5 minutes.
Please read the entire description to the end,
then start to run.

Test

Your birthday:

 Sex: 

1. Inhale.

2. Tighten hand over mouth and nose.

3. Hold the breath.

4. Measure the time as possible respiratory arrest.

5. Catching his breath and enter the resulting time in seconds:

6. After recovering breath, exhale.

7. Hold the breath.

8. Measure the time as possible breath.

9. Catching his breath and enter the resulting time in seconds:

10.The test is complete. Press "Enter".

enter