Definition of rector for English Language Learners. : 1  a priest or minister who is in charge of a church or parish. : 2  a person who is in charge of a university or school.
Cardiac Cycle. in Physiology. Cardiac events appearing from the beginning of one heart beat to the beginning of next heart beat and repeating themselves successively. â¢ Cardiac cycle time (H.Rate = 75/min) : 0.8 sec. Systole: 0.27 sec. Diastole: 0.53 sec.
Pin It. Your heart rate (a.k.a. pulse) is a measure of how many times your heart beats in a minute. Generally, a healthy resting heart rate (RHR) varies between 50 and 90 beats per minute (bpm), but this number can vary depending on factors such as medications and fitness levels.in It. Your heart rate (a.k.a. pulse) is a measure of how many times your heart beats in a minute. Generally, a healthy resting heart rate (RHR) varies between 50 and 90 beats per minute (bpm), but this number can vary depending on factors such as medications and fitness levels.