How much time is taken by the 1ml blood passes from the heart to reach upto the feet and returns to the heart again.
A. 60 seconds
B. 62 seconds
C. 72 seconds
D. 80 seconds
Answer:A
How much time is taken by the 1ml blood passes from the heart to reach upto the feet and returns to the heart again.
A. 60 seconds B. 62 seconds C. 72 seconds D. 80 seconds