Heart Structure & Function

Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.

• aorta
• pulmonary artery
• inferior vena cava

A flap of tissue that prevents blood from flowing backward

• Aorta
• Atrium
• Septum
• Valve

One complete heartbeat

• ECG
• systole
• diastole
• cardiac cycle

What is the function of structure labelled 5?

• carry deoxygenated blood to the lungs

• carry oxygenated blood to all parts of the body

• carry deoxygenated blood from all parts of the body to the heart

• carry oxygenated blood from the lungs

What is the structure labelled 6?

• Pulmonary artery

• Pulmonary vein

• Vena cava

• Aorta

Which chamber of the heart has the thickest wall?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

How many valve(s) found in the heart?

• 1

• 2

• 3

• 4

Which statement BEST describes the purpose of the circulatory system?

• To move blood through your body and supply oxygen and nutrients to the body

• To remove the digestive waste

• To control all the movement in the body

• To remove urine

The valve between the right atrium and right ventricle is known as the __________ valve.

• Atrioventricular

• Aortic

• Semilunar

• Tricuspid

Which part of the heart pumps the oxygen-riched blood to all parts of the body?

• right ventricle

• left ventricle

• right atrium

• left atrium