Well the average neanderthal did not think very well, they weren't very intelligent or bright, but they used simple tools to complete every day tasks like we do!
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Answer:
The first heart sound (S1) represents closure of the atrioventricular (mitral and tricuspid) valves as the ventricular pressures exceed atrial pressures at the beginning of systole (point a). S1 is normally a single sound because mitral and tricuspid valve closure occurs almost simultaneously.
Explanation:
Workplace health and safety accidents can have a negative impact on a business in many ways. They can result in a loss of productivity, reduced staff morale, increased absenteeism, and even temporary or permanent closure.
The medical term Sphygm means pulse. It is short for sphygmomanometer.
