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Multiple Choice
What is the functional unit of the kidney called?
A
Alveolus
B
Neuron
C
Nephron
D
Osteon
Verified step by step guidance
1
Step 1: Understand the question by identifying the organ being discussed, which is the kidney. The kidney is responsible for filtering blood and producing urine.
Step 2: Recall the concept of a 'functional unit.' A functional unit is the smallest structure within an organ that performs the organ's primary function.
Step 3: Review the options provided: Alveolus (related to lungs), Neuron (related to the nervous system), Nephron (related to the kidney), and Osteon (related to bones).
Step 4: Focus on the kidney's function, which involves filtration, reabsorption, and secretion. The nephron is the structure that performs these tasks, making it the functional unit of the kidney.
Step 5: Conclude that the correct answer is 'Nephron,' as it is the structure responsible for the kidney's primary functions of filtering blood and forming urine.