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Urology: The Urinary System: Health and Function

Længde
1T 44M
Sprog
Engelsk
Format
Kategori

Fakta

The urinary system, also known as the excretory or renal system, plays a crucial role in maintaining the body’s internal balance by regulating the composition of the blood, removing waste products, and ensuring proper fluid and electrolyte levels. It consists of the kidneys, ureters, bladder, and urethra, each of which plays an essential role in the formation, storage, and excretion of urine. This system is not only responsible for removing waste products but also for maintaining the body’s homeostasis, which is critical for overall health and function.

At the core of the urinary system are the kidneys, which are two bean-shaped organs located near the middle of the back, just below the rib cage. The kidneys filter approximately 200 liters of blood daily, removing waste and excess substances, such as salts and toxins. These waste products are transformed into urine, which is then transported to the bladder for storage. The kidneys also regulate important functions, such as blood pressure, red blood cell production, and calcium levels, by releasing various hormones and enzymes. This intricate process allows the kidneys to maintain the body’s internal balance, ensuring the proper function of organs and tissues.

The ureters are muscular tubes that connect the kidneys to the bladder. Their primary role is to transport urine from the kidneys to the bladder through a series of peristaltic movements, which are wave-like contractions that push the urine downward. The bladder is a hollow, muscular organ that serves as a reservoir for urine. As the bladder fills with urine, its walls stretch, and stretch receptors send signals to the brain, prompting the sensation of the need to urinate. When it’s time to void, the bladder contracts and expels the urine through the urethra.

© 2025 Ron Carver LLC (Lydbog): 9798318268755

Release date

Lydbog: 12. marts 2025

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