Respuesta :

ReggyNtaopane

Answer:

Blood.

The heart.

The right side of the heart.

The left side of the heart.

Blood vessel.

Arteries.

Capillaries.

Veins.

youngirlharms

Answer:Birds, like mammals, have a 4-chambered heart (2 atria & 2 ventricles), with complete separation of oxygenated and de-oxygenated blood. The right ventricle pumps blood to the lungs, while the left ventricle pumps blood to the rest of the body.

Explanation: