4.3.1

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

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

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

When blood enters the right atrium, where is it coming from?

• The body
• Left ventricle
• Right Atrium
• Lungs

What chamber pumps blood to the body?

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

Deoxygenated blood from the body enters the heart through the _____.

• Aorta

• Pulmonary Arteries

• Vena Cava

• Pulmonary Veins

Oxygenated blood is brought from the lungs to the heart through the ___.

• Aorta

• Vena Cava

• Pulmonary Veins

• Pulmonary Arteries

Select the best answer.

When blood is brought to the lungs ____.

• It releases carbon dioxide to the lungs

• It releases oxygen and collects carbon dioxide

• It releases oxygen to the lungs

• It releases carbon dioxide and collects oxygen

Blood flows from the right atrium to the right ventricle through this valve.

• Mitral Valve

• Aortic Valve

• Pulmonary Valve

• Tricuspid Valve

Which structure separates the left and right sides of the heart?

• Septum

• Tricuspid Valve

• Pulmonary Valve

• Aortic Valve