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.
Three Methods:Assessing Your Heart RateExercising for a Lower Resting Heart RateMaking Lifestyle ChangesCommunity Q&A. Your heart rate, or pulse, is the measurement of heart beats per minute, or how hard the heart is working to circulate blood throughout your body. Your resting heart rate refers to the body's lowest heart rate, when your body is close to absolute rest.