To successfully complete this assignment, follow the instructions below:

Urinary System: Reabsorption and Secretion in the Proximal Tubule

1. What are the two reabsorption pathways through the tubular cell barrier?

1.

2.

2. How can we cause water to diffuse from the lumen into the interstitial space?

3. Transport of what ion could cause the diffusion in question 2?

4. Summarize reabsorption in the proximal tubule.