Also, about how much is it per day to rent a car? I know it depends on the car, I'm just looking for an... show more I was thinking about renting a car in Florida when I go there for spring break next week...but I've heard that you need to be 25, and I'm only 22.
H+ and HCO3-. 1  The secretion of H+ in this section of the nephron is mainly a result of the Na+/H+ antiporter in the apical membrane using secondary active transport. 2  HCO3- is reabsorbed here in a different way to other substances. 3  Link to Article.
The Proximal Convoluted Tubule. The first part of the nephron that is responsible for water reabsorption is the proximal convoluted tubule. Filtered fluid enters the proximal tubule from Bowman's capsule.Many substances that the body needs, which may have been filtered out of the blood at the glomerulus, are reabsorbed into the body in this segment.ater is filtered out of the bloodstream at the glomerulus. The water is accompanied by waste products and other substances such as salt and glucose. The filtered substances enter Bowman's capsule, and from there, the renal tubules.