Read the following statements.
Statement A: The contractile tissue which is present exclusively in the heart is unstriated and involuntary.
Statement B: Communication junctions called intercalated discs are present in the muscular tissue of intestines, heart, urinary bladder etc.
Select the correct option with respect to the above given statements.
1. Both statements A and B are correct.
2. Both statements A and B are incorrect.
3. Only statement A is correct.
4. Only statement B is correct.