1.

Regarding assertion and reason, choose the correct option_______.Assertion [A]: Cold air causes vasodilation of blood vessels in the nasal cavity.Reason [R]: Oxygen can be absorbed by widened blood vessels.

Answer»

Regarding assertion and reason, choose the correct option_______.

Assertion [A]: Cold air causes vasodilation of blood vessels in the nasal cavity.


Reason [R]: Oxygen can be absorbed by widened blood vessels.





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