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heart
Question | Answer |
---|---|
What is contraction | one of the 2 phases of heartbeat |
What is relaxation | the 2nd phase of heartbeats |
What is electrical impulses | it determinea rate and regularity of the heartbeat |
What is lubb dubb | It is the sound of the heart |
What is blood pressure | measurement of amount of pressure exerted against the walls of the vessel |
What is systolic blood pressure | highest blood pressure |
What is diastolic blood pressure | lowest blood pressure |
What is normal blood pressure | 120/80 mm Hg. |