Question

some times while taking our food hurriedly we start coughing why

Answer 1

Answer:

Typically, prior to some process, such as transmission over cable, or recording to phonograph record or tape, the input frequency range most susceptible to noise is boosted. This is referred to as "pre-emphasis" – before the process the signal will undergo.

Answer 2

Answer:

Given Below

Explanation:

Sometimes when anyone eats hurriedly, talks, laughs or does another similar activity while eating, the flap such as valve, epiglottis closing the passage of windpipe remains open. Thus, the food may enter the wind pipe and coughing helps to clear it.