The notation used to extend pitches beyond the normal staff is called a(n) treble clef interval ledger line bass clef

The term that best fits the statement above is LEDGER LINE. A ledger line is a notation or a short extra line that is used to expand pitches that are way above or below the range of a normal staff. This is particularly used in Western musical notation. 

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.