Final answer:
Electrolytes in body fluids, such as sodium, potassium, calcium, and chloride, regulate the electrical activity of the body and need to be kept in balance with body fluids. Imbalances can result in various problems in the body, so their concentrations are tightly regulated by hormones.
Step-by-step explanation:
The electrolytes in body fluids play a crucial role in regulating the electrical activity of the body. These electrolytes, such as sodium, potassium, calcium,and chloride, need to be kept in balance with body fluids.
For example, sodium ions regulate the water content and play a role in electrical impulse transmission in the nervous system. Potassium ions maintain a regular heartbeat and also play a part in electrical impulse transmission. Chloride ions balance the charge, and other ions contribute to osmotic balance and water movement between cells and their environment.
Imbalances of these electrolytes can result in various problems in the body, so their concentrations are tightly regulated by hormones such as aldosterone, angiotensin II, PTH, calcitriol, and calcitonin.