Sub: Biology Topic: Cardiovascular system Question: Fill in the blanks based question on cardiovascular system ClassOf1 provides exert guidance for College, Graduate and High school homework and live online tutoring on subjects like Finance, Marketing, Statistics, Economics and others. Check out more solved problems in our Solution Library. 1. A rapid beat of the heart over 100 beats per minute is called ______. A beat slower than 60 is called ______. Lack of adequate blood to the heart is called ______. Rapid shuddering of the heart muscle is called ______. 2. An EKG usually shows three key waves, the ______, the ______ and the ______. The largest is the ______, which results from the ______ contracting.
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