Exam 25: The Urinary System

Place the following in correct sequence from the formation of a drop of urine to its elimination from the body. 1.major calyx 2)minor calyx 3)nephron 4)urethra 5)ureter 6)collecting duct

Figure 25.2 Using Figure 25.2, match the following: -Cells that are the most active in reabsorbing the filtrate.

The macula densa cells respond to ________.

The trigone is so named because of the shape of the urinary bladder.

The filtration membrane includes all except ________.

Cells and transport proteins are physically prevented from passing through the filtration membrane.This has the following effect on filtration.

Explain how filtration works in the glomerular capillaries.

The functional and structural unit of the kidneys is the ________.

The macula densa cells are chemoreceptors that respond to changes in the urea content of the filtrate.