The following points highlight the six major cardiac disorders that occurs in human body. The disorders are: 1. Heart Block 2. Ventricular Premature Beat 3. Ventricular Paroxysmal Tachycardia 4. Ventricular Fibrillation 5. Ischaemic Heart Disease 6. Myocardial Infarction. Cardiac Disorder # 1. Heart Block: Heart block is the condition when conduction of impulse from pacemaker area through the conducting tissue [...]
Two separate processes are involved in vocalisation: 1. Phonation 2. Atriculation. Process # 1. Phonation: The whole process is dominated and co-ordinated by speech centre in the cerebral cortex, damage to which will lead to permanent aphasia. Phonation is due to vibration of vocal cords which are folds stretched along the lateral wall of the larynx between thyroid and arytenoid [...]
The term acclimatisation means the adjustment of the human body to suit the climate at a higher altitude. When the ascent is slow and to a moderate height (between 3000 and 4250 metres or 10,000 & 14,200 feet) as in mountaineering, various compensatory process are mobilised to combat the injurious effect and the subject is ultimately adapted to the rarefied [...]