★ Excretory System Quiz
Most of the nephron’s cells contain a large amount of mitochondria, especially the proximal tubule, ascending loop of Henle and distal tubule. The reason is that these cells perform which of the following functions?
A. filtration
B. diffusion
C. osmosis
D. active transport
Preview next quiz:
Efferent arteriole has diameter ………. than/ to afferent arteriole.
A. Larger
B. smaller
C. equal
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