Question

Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An artificial kidney is a device to remove waste products from the blood through dialysis.

Describe the structure and functioning of nephrons.

How is the amount of urine produced regulated?

Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.

Which part of nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?