Palpitation may be defined as an awareness of the beating of the heart, an awareness most commonly brought about by a change in the heart's rhythm or rate or by an augmentation of its contractility
Coughing is an essential defense mechanism that it prevents the airways from the foreign substance and clear the excretion of respiratory tract. Coughing is a reflex. permanent and frequent coughing indicates an abnormality
New Words deadeye: In informal English, dead may mean \precise(ly)\ or accurate(ly)\. ---Bill was dead shot with rifle. The model plane landed dead in the middle of the square
