Textbook Question
Identify the structures of the kidney in the following diagram.
a. ___
b. ___
c. ___
d. ___
e. ___
f. ___
g. ___
h. ___
i. ___
j. ___
k. ___
l. ___
m. ___
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25. The Urinary System
The Kidneys
Multiple Choice
In the urinary system, which organ is primarily responsible for filtering the blood to form urine?
A
Urinary bladder
B
Ureters
C
Urethra
D
Kidneys
Verified step by step guidance1
Understand the main function of each organ listed in the urinary system: the urinary bladder stores urine, the ureters transport urine from the kidneys to the bladder, and the urethra expels urine from the body.
Recall that the process of filtering blood to form urine occurs at the microscopic level within the kidneys, specifically in structures called nephrons.
Recognize that the kidneys filter waste products, excess substances, and fluids from the blood to produce urine, which is then transported through the ureters to the bladder.
Identify that the kidneys are the primary organs responsible for the filtration process, as they regulate blood composition and maintain homeostasis.
Conclude that among the options given, the kidneys are the correct answer because they perform the essential function of blood filtration to form urine.
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