Internal Structure of the Heart

Which number is the vena cava?

• 1
• 2
• 3
• 8

Which number is the pulmonary artery?

• 4
• 5
• 6
• 8

Where is the blood in 3 coming from?

• All over the body
• The upper half of the body, head and arms
• The lower half of the body, legs and abdomen
• The lungs

The two chambers of the heart which receive blood are known as the _________

• atria
• ventricles
• systemics
• pulmonic

Blood leaves the right ventricle through the ___________.

• pulmonary artery
• aorta
• superior vena cava
• right atrium

What does letter D represent?

• aorta
• left atrium
• left ventricle
• right atrium

What does letter B represent?

• aorta
• superior vena cava
• inferior vena cava
• right pulmonary artery

Which valve is letter X?

• aortic
• bicuspid
• tricuspid
• pulmonary

What carries the oxygenated blood from the lungs to the left atrium of the heart?

• vena cava 
• aorta
• pulmonary vein
• pulmonary artery

Freshly oxygenated blood is delivered to the _____________ and then it passes into the  __________ to be pumped to the entire body.

• right ventricle; right atrium
• left ventricle; left atrium
• left atrium; left ventricle
• right atrium; right ventricle