Name the chambers of our heart?

Name the chambers of heart which carry oxygenated blood?

Name the chamber of the human heart that receives deoxygenated blood.

The contraction of the chambers of the heart is called.............

The relaxation of the chambers of the heart is called.............

The lower chambers of the heart pump the blood out of the heart.

Read the given para and name the parts of the heart? "We have observed that the heart is divided into four chambers by muscular stucture. Any structure that divides two chambers is known as septum. Now let us try to name the septa present in the heart". The septum that divides the two atria can be named as.............

Name the openings of the heart chambers through which blood enters the heart.