Question

which of the following is not a function of the muscular system? regulation of blood ph and ion concentrations control of entrances to the digestive and respiratory tracts control of exits to the digestive and urinary tracts protection of soft tissues production of heat i dont know yet

Explanation:

The muscular system functions in controlling openings (entrances/exits) of tracts, protecting soft tissues, and producing heat. Regulating blood pH and ion concentrations is done by the respiratory and renal systems, not the muscular system.

Answer:

Regulation of blood pH and ion concentrations