Respiratory System Quiz

What is the primary function of the respiratory system?

• To digest food

• To circulate blood

• To facilitate breathing

• To produce hormones

Which part of the respiratory system filters air using nose hairs?

• Trachea

• Pharynx

• Larynx

• Nasal cavity

What is the role of the epiglottis?

• To filter air

• To produce sound

• To prevent food from entering the windpipe

• To exchange gases

Where are the vocal cords located?

• Bronchi

• Pharynx

• Larynx

• Trachea

What is the function of the trachea?

• To produce sound

• To transport air to the bronchi

• To filter air

• To exchange gases

What do the bronchi split into?

• Alveoli

• Nasal cavity

• Bronchioles

• Larynx

What is the primary function of the bronchioles?

• To filter air

• To transport air to the alveoli

• To produce mucus

• To exchange gases

What is the role of the alveoli in the respiratory system?

• To prevent food from entering the windpipe

• To exchange gases between lungs and blood

• To filter air

• To produce sound

What do blood vessels retain during gas exchange?

• Nitrogen

• Water vapor

• Oxygen

• Carbon dioxide

What happens to carbon dioxide during exhalation?

• It is stored in the lungs

• It is absorbed by the blood

• It is converted to oxygen

• It is expelled from the body