Question
Biology Question on excretory products and their elimination
Longest loop of Henle is found in
A
kangaroo rat
B
opposum
C
rhesus monkey
D
all of these
Answer
kangaroo rat
Explanation
Solution
Kangaroo rats can excrete urine which is 18 times that of their blood. In kangaroo rat, loop of Henle is significantly longer as it descends further into the medulla and produces a higher concentration gradient in the surrounding tissue. This gradient allows more water to diffuse into the surrounding tissues to be reabsorbed.