Exploring the Anatomy and Function of the Lungs

How many lobes does the right lung have?

• Four

• Two

• Five

• Three

What is the function of the trachea in the respiratory system?

• Filters air

• Produces mucus

• Carries air into the lungs

• Transports blood

What structures in the lungs are primarily responsible for the exchange of gases?

• Alveoli

• Lobes

• Bronchi

• Trachea

Where does the oxygen-rich blood travel after leaving the lungs?

• To the brain

• To the kidneys

• To the heart

• To the liver

What valve opens to allow blood to pass from the left atrium to the left ventricle?

• Tricuspid valve

• Aortic valve

• Pulmonary valve

• Mitral valve

What is the primary function of the aortic valve?

• To prevent backflow into the left atrium

• To regulate blood flow to the lungs

• To filter blood

• To open when the left ventricle squeezes

What occurs in the capillaries at the cellular level?

• Production of carbon dioxide

• Exchange of gases and nutrients

• Heartbeat regulation

• Blood clotting

What vessels carry deoxygenated blood back to the heart?

• Bronchi

• Veins

• Capillaries

• Arteries

What does the narrator suggest you do after watching the video?

• Take a quiz

• Watch another video on the heart

• Review the video again

• Read additional material