A. 10,000 B. 1,00,000 C. 2,00,000 D. 1,50,000 Submitted by: Toheed Ahmed
Approximately, how many times each day do our heart valves open and close normally? Everyday Science Mcqs Leave a comment 118 Views A. 10,000 B. 1,00,000 C. 2,00,000 D. 1,50,000 Answer B. 1,00,000 Submitted by: Toheed Ahmed
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