Ventricular systole describes the action in which the left lower chamber or ventricle of the heart contracts and pushes blood through the body during the cardiac cycle, according to WebMD. The systolic phase is countered by the diastolic phase, which occurs when the ventricle relaxes and fills with blood. Keep Learning.
A career as a dental hygienist is one of the highest-paying vocational jobs you can find. The average income for a dental hygienist is over $70,000 per year, and some offices offer great benefits, including vacation and sick days.
General Salaries. In 2011, dental hygienists earned an average of $69,760 a year, according to the Bureau of Labor Statistics. The median wage â or âmidpointâ salary for this occupation â was $69,280 a year, which means that half of all hygienists earn this salary or more a year.But neither of these figures account for experience.As with any job, a dental hygienist makes less when starting in the industry.he median wage â or âmidpointâ salary for this occupation â was $69,280 a year, which means that half of all hygienists earn this salary or more a year. But neither of these figures account for experience. As with any job, a dental hygienist makes less when starting in the industry.