question_answer

                                                                                                     Label five parts (A to E) of heart and state their functions.

Answer:

Functions:

A: Septum between right and left side of heart. It prevents mixing of oxygenated and deoxygenated blood.            B: Left ventricle, which pumps oxygenated blood to body parts.

C: Aorta is the main artery emerging from left ventricle. It gives rise to other arteries which carry blood to different body parts.

D: Left auricle, which receives oxygenated blood from lungs and pushes it into left ventricle.

E: Pulmonary vein which brings oxygenated blood from lungs to left auricle.