Microstructure a. Nephron - functional unit of kidney 1. Overall physiology 1. Remove toxic waste from blood 4. Definition Passive process, materials move out of glomerulus into capsule 2. Colloid osmotic pressure unfiltered plasma proteins that oppose filtration 3.
Sympathetic stimulation Decreases filtration rate c.
Descending limb of loop of nephron a. Relatively impermeable to solutes b. Interstitial gradient promotes reabsorption 3. Urea is recycled 4. Impermeable to water 5.