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What is the primary role of the ureters in the excretory system?
- a)To filter blood
- b)To store urine
- c)To transport urine from the kidneys to the bladder
- d)To release urine from the body
Correct answer is option 'C'. Can you explain this answer?
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What is the primary role of the ureters in the excretory system?a)To f...
The ureters are tubes that carry urine from the kidneys to the urinary bladder. They play a crucial role in transporting the urine formed in the kidneys to the bladder, where it is stored until it is eventually expelled from the body.
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What is the primary role of the ureters in the excretory system?a)To f...
The primary role of the ureters in the excretory system is to transport urine from the kidneys to the bladder.
- **Transporting Urine**:
The ureters are long, muscular tubes that connect the kidneys to the bladder. They play a crucial role in transporting urine, which is produced by the kidneys, to the bladder for temporary storage before it is eventually eliminated from the body.
- **Structure and Function**:
The walls of the ureters are lined with smooth muscle tissue that contracts rhythmically to propel urine towards the bladder. This peristaltic movement helps to ensure a one-way flow of urine from the kidneys to the bladder, preventing backflow and maintaining the efficiency of the excretory system.
- **Preventing Reflux**:
The ureters are also equipped with valves at their junctions with the bladder, known as ureterovesical valves, which help prevent the backward flow of urine into the kidneys. This ensures that urine flows in the right direction and does not cause any damage or infection to the kidneys.
- **Storage and Elimination**:
Once urine reaches the bladder through the ureters, it is stored until it is expelled from the body through the urethra during urination. The ureters continuously transport urine from the kidneys to the bladder, allowing for the efficient removal of waste and excess substances from the body.
In conclusion, the ureters play a vital role in the excretory system by transporting urine from the kidneys to the bladder, ensuring proper elimination of waste and maintaining the overall balance of bodily fluids.
- **Transporting Urine**:
The ureters are long, muscular tubes that connect the kidneys to the bladder. They play a crucial role in transporting urine, which is produced by the kidneys, to the bladder for temporary storage before it is eventually eliminated from the body.
- **Structure and Function**:
The walls of the ureters are lined with smooth muscle tissue that contracts rhythmically to propel urine towards the bladder. This peristaltic movement helps to ensure a one-way flow of urine from the kidneys to the bladder, preventing backflow and maintaining the efficiency of the excretory system.
- **Preventing Reflux**:
The ureters are also equipped with valves at their junctions with the bladder, known as ureterovesical valves, which help prevent the backward flow of urine into the kidneys. This ensures that urine flows in the right direction and does not cause any damage or infection to the kidneys.
- **Storage and Elimination**:
Once urine reaches the bladder through the ureters, it is stored until it is expelled from the body through the urethra during urination. The ureters continuously transport urine from the kidneys to the bladder, allowing for the efficient removal of waste and excess substances from the body.
In conclusion, the ureters play a vital role in the excretory system by transporting urine from the kidneys to the bladder, ensuring proper elimination of waste and maintaining the overall balance of bodily fluids.
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What is the primary role of the ureters in the excretory system?a)To filter bloodb)To store urinec)To transport urine from the kidneys to the bladderd)To release urine from the bodyCorrect answer is option 'C'. Can you explain this answer?
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