Given below are two statements: 

Assertion (A): Chemical messengers are chemicals that enable the communication of messages between two neurons or between neurons and muscles.
Reason (R): Chemicals enter the cell through the receptor

1. Assertion and reason both are correct statements but reason does not explain assertion.
2. Assertion and reason both are correct and reason explains the assertion.
3. Both assertion and reason are wrong statements.
4. Assertion is the correct statement reason is the wrong statement.

Assertion is the correct statement reason is the wrong statement.
Correct reason Chemicals bind to the receptor sites present on the surface of the membrane or the cell. They give messages to the cell without entering the cell.