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soldier1979 [14.2K]
3 years ago
15

Potassium is the major cation in the body. It plays many important roles, including the excitability of nerves and muscles. Wher

e is this action particularly important
Biology
1 answer:
grin007 [14]3 years ago
6 0

Answer:

in the heart

Explanation:

hope it's help

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