ECF ICF K pump channel Insulin, B-adrenergic agonist, ADS, 「K+s」, exercise,pH, ECF oSmolality↑ K+ shifts between icf and ecFECF ICF K+ K+ shifts between ICF and ECF Insulin, β-adrenergic agonist, ADS, [K+ ]s↓, exercise, pH ↓, ECF osmolanity ↑ channel pump