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the membranes of pacemaker cells depolarise less frequently when exposed to ?
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- If the life span of an erythrocyte is 120 days, how many times a year would a sickle cell patient need to be given a blood transfusion to ensure a unit of healthy erythrocytes at any given time?What are clotting factors?Please help in answering this question - more than one answer may be correct: Cardiac pacemaker cells gradually depolarize due to A) Increased K+ flowing into the cell B) Ca++ flowing into the cell C) Increased Na+ flowing into the cells D) carbonate being used to make calcium carbonate skeletons E) Cl- flowing out of the cell