Final answer:
The assertion that the body uses the skin, kidneys, and feces to excrete excess systemic fluoride is correct. These organs help maintain homeostasis and osmotic balance by removing waste and excess substances.
Step-by-step explanation:
The statement that the body excretes excess systemic fluoride through the skin, kidneys, and feces is true. One of the body's major ways of maintaining homeostasis and osmotic balance is through the excretion of substances that are in excess or potentially harmful, which includes water, electrolytes, and various wastes. The skin can excrete some substances through sweat, while the kidneys are primarily responsible for filtering the blood and excreting wastes in urine. Feces also play a role in excretion as certain substances are excreted with the bile into the digestive tract and eliminated. Maintaining this balance is critical for the body's overall health and functionality.