Caffeine is considered a diuretic because caffeine increases glomerular filtration rate and decreases sodium reabsorption; therefore, water is excreted instead of reabsorbed.    

Correctly label the structures in following figure.  Please include the letters with the answers.  Example:  If X is a centrifuge tube, then type X = Centrifuge Tube.    Picture1 – URINARY SYSTEM LABEL.png 

List three (3) main ways that the concentration of hydrogen ions (H+) are regulated.  

An increase in the permeability of the cells of the collecting duct to water (last chance at reabsorption of water) is due to a(n) ________.

(2.5 for the correct answer; 1 bonus point if you have answered questions 1 through 4 correctly.) Let , and define

Research suggests that wave drag is significantly reduced when a swimmer is more than 0.5 m below the water’s surface.

When using the deceleration method to measure drag on a bicycle, it is assumed that friction in the tires and bearings remains constant even when the rider’s body position changes.

The following image suggests _________________________.

_______________________ refers to a dilation of the renal collecting system.

The kidneys are surrounded by the ________________________________ fat.