Question

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow:

e) Write two differences in composition of the blood flowing through the blood vessels, ’A’ and ‘B’.

Answer 1

Blood vessel ‘A’	Blood vessel ‘B’
The blood vessel ‘A’ represents the renal vein.	The blood vessel ‘B’ represents the renal artery.
It contains deoxygenated blood with a low concentration of urea and glucose as compared to the renal artery.	It contains oxygenated blood with a high concentration of urea and glucose.