1. What does the body need in very small quantities?
2. What does deficiency of Vitamin C cause?
3. What falling on the skin causes the formation of Vitamin D?
4. Who need calcium most?
5. What does deficiency of phosphorous cause?
6. What does iron help to supply to the body?
7. What causes goitre?
8. What does tobacco contain?
9. What do gases in tobacco smoke damage?
10. What can chewing tobacco or gutkha cause?
11. Which system has harmful effects due to drinking alcohol?
Originally posted 2015-12-27 13:03:50.