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. (a) Action mentioned in statement I is dependent on action mentioned in Statement II (b) Action mentioned in statement II is dependent on action mentioned in Statement I (c) Action mentioned in statement I and II are independent of each other (d) Action mentioned in statement I and II are synchronous.
Mention , where in the human body are the following located and state their main functions :
(a) Corpus callosum
(b) Central canal