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.
1 For example, a two-year dental hygienist program can cost around $7,000 to $32,000. 2  On the other hand, a bachelorâs degree program can cost anywhere from as little as $30,000 to as much as $110,000 for the complete program. 3  The costs are going to greatly vary depending on the college.