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.
1
Action mentioned in Statement 1 is dependent on action mentioned in Statement 2
2
Action mentioned in Statement 2 is dependent on action mentioned in Statement 1
3
Action mentioned in Statements 1 and 2 are independent of each other.
4
Action mentioned in Statements 1 and 2 are synchronous