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.
Dental hygienist is one of the fastest growing career choices within the United States, according to the U.S. Department of Labor. The job also has good earnings potential with median annual wages of $66,570 as of 2008.