At a heart rate of 60 beats/minute, a cardiac cycle lasts
A) 60 seconds.
B) less than a second.
C) 1 second.
D) 370 milliseconds.
E) more than a second.
Answer: C
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The sclera is continuous with a transparent layer over the anterior eye known as the __________.
What will be an ideal response?What will be an ideal response?