If a low achiever is labeled as one with a low capacity, both the reaction of the teacher and the self-expectations of the child are negatively affected. in effect, labeling becomes a form of the blaming the students rather than the system for their lack of achievement.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

Advances in learning and technology made long ocean voyages possible