Respiratory System Quiz

What is the primary function of the respiratory system?

• Transporting nutrients

• Pumping blood

• Exchanging gases

• Digesting food

Which organ is NOT a part of the respiratory system?

• Lungs

• Trachea

• Liver

• Bronchi

What is the process by which oxygen is taken into the body and carbon dioxide is removed?

• Respiration

• Digestion

• Circulation

• Absorption

Identify the part of the respiratory system responsible for filtering and moistening inhaled air.

• Bronchi

• Alveoli

• Nasal cavity

• Pharynx

During respiration, which gas is exchanged in the alveoli?

• Nitrogen

• Oxygen

• Carbon dioxide

• Both (a) & (b)

Assertion: The diaphragm plays a crucial role in breathing. Reason: The diaphragm contracts and moves downward during inhalation.

• True

• False

What is the function of cilia in the respiratory system?

• Producing mucus

• Filtering dust particles

• Exchanging gases

• Storing oxygen

Which part of the respiratory system helps in the production of sound?

• Trachea

• Larynx

• Pharynx

• Bronchi

What is the role of the epiglottis during swallowing?

• Filtering air

• Blocking the trachea

• Producing mucus

• Enhancing oxygen exchange

Identify the part of the respiratory system where the exchange of oxygen and carbon dioxide occurs.

• Trachea

• Bronchi

• Alveoli

• Pharynx