Ncert Exercises & Solutions

Read the following statements and choose the correct option.

statement I:	Atria receive blood from all parts of the body which subsequently flows to ventricles.
statement II:	Action potential generated at sino-atrial node passes from atria to ventricles.

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