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Question
During the formtion of urine, which among these processes helps in maintaining ionic and acid base balance in body fluids?
During the formtion of urine, which among these processes helps in maintaining ionic and acid base balance in body fluids?
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Solution
The correct option is C Secretion
Urine formation involves three processes - ultrafiltration, reabsorption and secretion.
In secretion, tubular cells secrete certain substances like H+, K+ and ammonia into the filtrate. This helps in the maintaining ionic and acid base balance of body fluids.
Reabsorption is necessary to prevent loss of essential nutrients in urine. Around 99 percent of filtrate formed is reabsorbed.
Ultrafiltration is filtering of blood to remove waste materials that is carried by blood. This is carried out in glomerulus.
Urine formation involves three processes - ultrafiltration, reabsorption and secretion.
In secretion, tubular cells secrete certain substances like H+, K+ and ammonia into the filtrate. This helps in the maintaining ionic and acid base balance of body fluids.
Reabsorption is necessary to prevent loss of essential nutrients in urine. Around 99 percent of filtrate formed is reabsorbed.
Ultrafiltration is filtering of blood to remove waste materials that is carried by blood. This is carried out in glomerulus.
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