Do nephrons form urine

Answer 1

• Blood is filtered through the bowmans capsule (large proteins are left in the bloodstream). The fluid that remains in the nephron after filtration is called the filtrate.

• The filtrate enters the proximal tubule. Glucose, amino acids, and water are secreted (released into bloodstream). The filtrate begins to darken with less water in it.
• The filtrate then moves on to the Loop of Henle. On descent, water leaves the filtrate by osmosis and on ascent; sodium and chloride leave the filtrate by active transport. This is necessary to produce concentrated urine. The loop of henle becomes less permeable as it goes ascends so less sodium and chloride leave the filtrate as the filtrate makes its way up the loop.
• The filtrate then moves on to the Distal Tubule where pH is regulated and sodium potassium, and calcium levels are controlled. The filtrate becomes more concentrated here.
• The filtrate then moves into the Collecting Duct. The collecting duct is what connects the nephrons to the ureter. It participates in electrolyte and fluid balance through reabsorption and excretion.

(I did this for a Grade 12 Biology lab so this is just a collection of stuff I got off the internet from various good sources! anybody else who was just as confused as I was when I got this question!)

Answer 2

Yup!