274 EXPERIMENTAL GENERAL SCIENCE 



7. What parts of the mouth do you use in pronouncing the consonants 

 m, b and p? 



8. What parts are used in pronouncing the consonants t, d and s? 



9. What disadvantage is there in breathing through the mouth? 



10. Why is one likely to take short breaths after a hearty meal? 



11. Why is the guest chamber often unhealthful? 



12. Which has the best ventilation, your church, your schoolroom, or 

 your home? 



13. Is your favorite moving picture house properly ventilated? 



14. Why is it better to have clothing hang from the shoulders than 

 from the waist? 



