Heart Structure and Function

Which number is the vena cava?

• 1
• 2
• 3
• 8

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

• atria
• ventricles
• systemics
• pulmonic

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

What is the most muscular chamber of the heart? (Think about, what has to pump blood the furthest and with the most force?)

• left ventricle

• left atrium

• right atrium

• right ventricle

The purpose of heart valves is to 

• set the pace at which the heart beats
• prevent blood from flowing backward
• oxygenate the blood as it passes through the valve
• add minerals to the blood

The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.

• base
• mediastinum
• apex
• pericardium

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

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