question_answer 13)

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

Answer:

 

Alveolus	Nephron
1. It is the structural and functional unit of lungs,	It is the structural and functional unit of kidneys.
2. It is thin walled, has a large surface area and is richly supplied with blood vessels,	It is thin walled, has a large surface area and is richly supplied with blood vessels.
3. It removes carbon-dioxide from the blood.	It removes nitrogenous wastes from the blood