Urine can become __________ times more concentrated that other body solutions.

When blood pressure has decreased

                                          include proteins, carbohydrates, lipids and water.

___ is believed to be the most important nutrient.  

Which of the following disorders involves excessive mucus production?

Hypertension is a condition characterized by ___.  

GFR can drastically decrease due to

1. What is the partial pressure of CO2 in the venous blood?

The vasa recta are located by the

43.  Name this blood vessel.