A. 0.5 second B. 2 seconds C. 1 second D. 3 seconds Submitted by: Toheed Ahmed
The time interval between two beats of a normal human heart is Everyday Science Mcqs Leave a comment 931 Views A. 0.5 second B. 2 seconds C. 1 second D. 3 seconds Answer C. 1 second Submitted by: Toheed Ahmed
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