1.

Also, while John sleeps, a large percentage of his capillaries are …………… so, as I don’t push blood through them, my beat slows from a normal 72 a minute down to 55. (a) active (b) inactive (c) blocked (d) open 

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Also, while John sleeps, a large percentage of his capillaries are inactive so, as I don’t push blood through them, my beat slows from a normal 72 a minute down to 55.



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