The Human Heart

Separates the chambers of the heart.

• mitral valve
• septum
• aortic valve

Unoxygenated blood enters the right atrium from the top of the heart.

• inferior vena cava
• superior vena cava
• aorta

Tags

NGSS.MS-LS1-3

Unoxygenated blood enters the right atrium from the bottom of the heart.

• inferior vena cava
• superior vena cava
• pulmonary veins

About how large is the human heart?

• the size of an onion
• the size of a fist
• 4.5 pounds

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

What does letter B represent?

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

The arrow indicates the

• Left ventricle
• Vena cava
• Right atrium
• Right ventricle