Menu Close

How are sodium and potassium levels controlled in the body?

How are sodium and potassium levels controlled in the body?

Aldosterone causes the kidneys to retain sodium and to excrete potassium. When sodium is retained, less urine is produced, eventually causing blood volume to increase. The pituitary gland secretes vasopressin (sometimes called antidiuretic hormone).

How is sodium controlled in the body?

Sodium levels in the body are partly controlled by a hormone called aldosterone, which is made by the adrenal glands. Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the urine. Small amounts of sodium are also lost through the skin when you sweat.

What is the relationship between sodium and potassium in the body?

Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go down, and when sodium levels go down, potassium levels go up. Potassium levels are also affected by a hormone called aldosterone, which is made by the adrenal glands.

What controls the potassium in your body?

Your kidneys control how much potassium is in your body by filtering any excess out of your blood. Balance is key. If levels of potassium are either too low or too high, things can get off-kilter.

Why is it important to control sodium and potassium?

Controlling Potassium & Sodium. You already know that you should watch the sodium you eat because salt raises blood pressure. What’s not as well known is that in the right ratio, potassium balances sodium’s impact by lowering blood pressure. In your body, these two minerals help regulate a normal heart beat and electrochemical function.

What happens to your body when you eat too much sodium?

Potassium and sodium are electrolytes that help your body maintain fluid and blood volume so it can function normally. However, consuming too little potassium and too much sodium can raise your blood pressure. 1. Though the words “salt” and “sodium” are often used interchangeably, they do not mean the same thing.

How is sodium maintained in the human body?

Sodium helps the body keep fluids in a normal balance (see About Body Water). Sodium plays a key role in normal nerve and muscle function. The body obtains sodium through food and drink and loses it primarily in sweat and urine. Healthy kidneys maintain a consistent level of sodium in the body by adjusting the amount excreted in the urine.

What happens if you have too much potassium in your body?

Potassium and sodium are electrolytes that help your body maintain fluid and blood volume so it can function normally. However, consuming too little potassium and too much sodium can raise your blood pressure. 1