Respiration and Breathing Quiz

What is the primary function of the pharynx and larynx in the respiratory system?

• To filter dust and particles from the air

• To produce sound and guide air to the lungs

• To exchange gases with the bloodstream

• To store oxygen for later use

How does the trachea ensure that air reaches the lungs?

• By filtering out harmful substances

• By converting carbon dioxide into oxygen

• By storing air temporarily

• By splitting into bronchi that lead to each lung

What is the role of bronchioles in the respiratory system?

• To store carbon dioxide

• To produce mucus

• To transport air to the alveoli

• To humidify the air

Where does the exchange of oxygen and carbon dioxide primarily occur?

• In the diaphragm

• In the alveoli

• In the bronchi

• In the trachea

What is the significance of the diaphragm in the process of breathing?

• It stores oxygen for emergencies

• It helps in expanding and contracting the lungs

• It controls the rate of heartbeat

• It filters air entering the lungs