Regarding the assertion and reason, select the right option.
Assertion [A]: Paralysis of cilia by tar leads to mucus accumulation that is harmful for the body.
Reason [R]: Beating movement of cilia throws out mucus-laden pathogens out of the body but their paralysis leads to mucus accumulation and rapid growth of pathogens inside the body.
- Both A and R are true, but R does not explain A
- Both A and R are true and R explains A
- Both A and R are false
- A is true and R is false