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

Explanation

`{:(,"Alveoli","Nephron"),("Structure","Balloon like structure containing an extensive network of blood vessels","Cup shaped structure followed tubule which also contains a cluster of very thin walled blood capillaries."),("Functioning","Helps in the exchange of gases","Separates nitrogenous waste from the blood."):}`