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
So, the correct option is (b)