Which of these kidney functions is mismatched? a. excretes...

Name: Problem 1, Chapter 11: Human Biology
Uploaded: 2021-03-21T00:12:51-08:00
Duration: 1 min 54 s
Channel: Christina Sorrentino
Description: Which of these kidney functions is mismatched? a. excretes metabolic wastes-rids the body of urea b. maintains the water-salt balance- helps regulate blood pressure c. maintains the acid-base balance- rids the body of uric acid d. secretes hormones-secretes erythropoietin e. All of these are correct.

Which of these kidney functions is mismatched? a. excretes metabolic wastes-rids the body of urea b. maintains the water-salt balance- helps regulate blood pressure c. maintains the acid-base balance- rids the body of uric acid d. secretes hormones-secretes erythropoietin e. All of these are correct.

Which of these kidney functions is mismatched?
a. excretes metabolic wastes-rids the body of urea
b. maintains the water-salt balance- helps regulate blood
pressure
c. maintains the acid-base balance- rids the body of uric acid
d. secretes hormones-secretes erythropoietin
e. All of these are correct.

Key Concepts

Excretion of Metabolic Wastes

This concept involves the kidney's ability to filter out and remove waste products from the blood, such as urea and uric acid. It is a fundamental function of the renal system, ensuring that toxic byproducts of metabolism are eliminated from the body through urine, thus maintaining overall homeostasis.

Water-Salt Balance and Blood Pressure Regulation

The kidneys play a crucial role in maintaining the body's fluid and electrolyte balance by regulating the volume of water and the concentration of salts. This process is tightly linked to blood pressure control, as alterations in fluid volume or electrolyte disturbances can lead to significant changes in circulatory pressure.

Acid-Base Balance

This key concept refers to the kidney's function in managing the pH level of the blood. The renal system achieves this by reabsorbing bicarbonate and excreting hydrogen ions, thereby helping to maintain the body's acid-base equilibrium. It is a precise process that ensures the biochemical environment remains optimal for cellular functions.

Endocrine Role of the Kidneys

Beyond their excretory functions, kidneys also act as endocrine organs. They secrete hormones like erythropoietin, which stimulates the production of red blood cells, and renin, which plays a significant role in regulating blood pressure. These hormonal secretions are essential for coordinating various physiological processes across the body.

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