What chamber is a pumping chamber?

The heart consists of four chambers. The upper two are called atria and the lower two are called ventricles. The right atrium receives blood depleted of oxygen from all parts of the body and releases...

If you are referring to the heart. The chambers that pump are the ventricles and atriums.

the ventricles. the aortas are the "getting" chambers of the heart

The pumping chambers are the lower two chambers, the ventricles. The right ventricle pumps blood to the lungs, and the left ventricle pumps blood to the body through the aorta.

the human heart contains four chambers and it is the ventricles (the two lower chambers) that do the pumping