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How much filtrate is reabsorbed in each part of the nephron?
In the proximal tubule, about 65-70% of the filtrate is reabsorbed, mainly through the process of passive and active transport. In the loop of Henle, about 20% is further reabsorbed, while in the distal tubule and collecting duct, the final 10% of filtrate is reabsorbed, with the amount varying depending on the body's needs for water and electrolyte balance.
How does urine differ from the original filtrate?
Urine is the final product that is excreted by the body after the original filtrate from the kidneys undergoes processes like reabsorption and secretion in the nephrons. This results in urine being more concentrated with waste products and excess substances that need to be eliminated from the body.
How much glucose is filtered in the kidney every day?
Approximately 180 grams of glucose are filtered by the kidneys every day. However, almost all of this glucose is reabsorbed back into the bloodstream through the process of renal reabsorption, and very little is excreted in the urine.
How much sodium is in a 700g bottle of salt?
By mass, sodium chloride is 39.3% sodium, so a 700g bottle of salt would contain about 275 g of sodium.
How much sodium is in a can of Dr. Pepper?
A can of 355 mL contain approx. 55 mg sodium.
