Blood Circulatory System

The pulmonary veins carry oxygenated blood back to the ___

• right atrium

• left atrium

• right ventricle

• left ventricle

After blood leaves the right atrium, it enters the ___.

• right atrium

• left atrium

• right ventricle

• left ventricle

Which part of the heart is the largest and strongest?

• right atrium

• left atrium

• right ventricle

• left ventricle

After blood leaves the left atrium, it enters the ___.

• right atrium

• left atrium

• right ventricle

• left ventricle

___ are tiny blood vessels that carry blood to an from almost all body cells and connect arteries and veins.

• arteries

• veins

• capillaries

___ takes place when blood travels from the heart, through the lungs, and back to the heart.

• pulmonary circulation

• systemic circulation

___ takes place when oxygen-rich blood travels to all body tissues except the lungs.

• pulmonary circulation

• systemic circulation

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

The heart has ___ chambers.

• 1
• 2
• 3
• 4