Assertion (A): In humans, there is a complex respiratory system.  

Reason (R): Human skin is impermeable to gases.  




Humans need more oxygen to maintain their high metabolic rates

  • Thus, a complex respiratory system has evolved so as to meet this need. 


  Human skin is impermeable to gases.



  • The assertion is True
  • The reason is True

But the reason is not the correct explanation of the assertion

The Respiratory System-01.jpg

So, the correct option is (b)

  1. Class 10
  2. Chapter 6 Class 10 - Life Processes (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo