Question

question 24
which of the following organ systems is responsible for regulating blood solute concentrations and blood volume?
lymphatic
endocrine
urinary
digestive

Explanation:

The urinary system filters blood, regulates blood solute concentrations (like electrolytes) and blood volume by adjusting water and solute excretion in urine. The lymphatic system mainly returns lymph to blood and has immune functions. The endocrine system uses hormones for regulation but not directly filtering blood for solute and volume like the urinary system. The digestive system is for nutrient absorption and waste elimination (not in the way of regulating blood solute and volume as directly as urinary).

Answer:

Urinary