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Jan 22
The urinary system, also known as the renal system, is responsible for the production, storage, and elimination of urine. It consists of several organs and structures, including the kidneys, ureters, bladder, and urethra.
Diagram of the Urinary System:
1. Kidneys: The kidneys are bean-shaped organs located on either side of the spine, just below the rib cage. They filter waste products, excess water, and other substances from the blood to produce urine.
2. Ureters: The ureters are thin tubes that connect the kidneys to the bladder. They transport urine from the kidneys to the bladder.
3. Bladder: The bladder is a muscular sac located in the pelvis. It stores urine until it is ready to be eliminated.
4. Urethra: The urethra is a tube that connects the bladder to the external opening of the body. It allows urine to pass out of the body.
Function of the Urinary System:
1. Filtration: The kidneys filter waste products, excess water, and other substances from the blood. This process occurs in tiny units called nephrons, which are present in the kidneys.
2. Reabsorption: After filtration, the kidneys reabsorb essential substances such as water, glucose, and electrolytes back into the bloodstream.
3. Secretion: The kidneys also secrete certain substances, such as hydrogen ions and drugs, into the urine.
4. Urine Formation: The filtered and processed substances form urine, which is then transported from the kidneys to the bladder through the ureters.
5. Storage and Elimination: The bladder stores urine until it is full, and then it contracts to expel urine through the urethra during urination.
Overall, the urinary system plays a vital role in maintaining the body's fluid balance, regulating blood pressure, removing waste products, and controlling electrolyte levels.
Diagram of the Urinary System:
1. Kidneys: The kidneys are bean-shaped organs located on either side of the spine, just below the rib cage. They filter waste products, excess water, and other substances from the blood to produce urine.
2. Ureters: The ureters are thin tubes that connect the kidneys to the bladder. They transport urine from the kidneys to the bladder.
3. Bladder: The bladder is a muscular sac located in the pelvis. It stores urine until it is ready to be eliminated.
4. Urethra: The urethra is a tube that connects the bladder to the external opening of the body. It allows urine to pass out of the body.
Function of the Urinary System:
1. Filtration: The kidneys filter waste products, excess water, and other substances from the blood. This process occurs in tiny units called nephrons, which are present in the kidneys.
2. Reabsorption: After filtration, the kidneys reabsorb essential substances such as water, glucose, and electrolytes back into the bloodstream.
3. Secretion: The kidneys also secrete certain substances, such as hydrogen ions and drugs, into the urine.
4. Urine Formation: The filtered and processed substances form urine, which is then transported from the kidneys to the bladder through the ureters.
5. Storage and Elimination: The bladder stores urine until it is full, and then it contracts to expel urine through the urethra during urination.
Overall, the urinary system plays a vital role in maintaining the body's fluid balance, regulating blood pressure, removing waste products, and controlling electrolyte levels.
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