NEET Biology question

Read the following statements and choose the correct option. Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles Statement 2: Action potential generated at sino-atrial node passes from atria to ventricles

• (A)Action mentioned in Statement 1 is dependent on action mentioned in Statement 2
• (B)Action mentioned in Statement 2 is dependent on action mentioned in Statement 1
• (C)Actions mentioned in Statements 1 and 2 are independent of each other
• (D)Actions mentioned in Statements 1 and 2 are synchronousCorrect