BIO 202L Lab 14 Worksheet- The Urinary System ALL
ANSERS 100% CORRECT GUARANTEED GRADE
A+
The male uretha is much longer than the female urethra measuring about 15-20 cm
long. In the males, the urethra carries urine as well as semen. In contrast, the female
urethra is only about 4cm long.
3. Describe the two layers of the kidneys.
The two layers of the kidneys are the cortex and the medulla. The cortex is the outer
region of the kidney. It contains about a million blood filtering nephrons. The inner layer
is the medulla. It contains 8-12 renal pyramids that empty into the calyx.
, Lab 14 The Urinary System BIO202L
Experiment 1: Kidney Filtration
Table 1: Solutions Present in Each Container Before 60 Minutes Submersion
Solution Dialysis Tubing Beaker
Congo Red yes no
Yellow Food Coloring yes no
Table 2: Solutions Present in Each Container After 60 Minutes Submersion