Quiz on the Respiratory System

What is the main function of the respiratory system?

• To digest food

• To filter blood

• To produce energy

• To supply oxygen to the body

Which organ is known as the voice box?

• Larynx

• Pharynx

• Bronchi

• Trachea

What do alveoli do?

• Absorb oxygen and release carbon dioxide

• Help you speak

• Warm the air

• Filter germs from the air

What is the diaphragm?

• A blood vessel

• A type of lung

• A muscle that helps you breathe

• A part of the heart

How many times do you breathe in and out per minute?

• 25 to 30

• 5 to 10

• 10 to 15

• 15 to 25

What is the upper tract of the respiratory system made of?

• Lungs and bronchi

• Mouth and nose

• Diaphragm and ribs

• Alveoli and capillaries

What happens during inspiration?

• Air is exhaled

• Air is inhaled

• Oxygen is absorbed

• Carbon dioxide is produced

What is the function of cilia in the respiratory system?

• To produce energy

• To help you speak

• To trap foreign particles

• To absorb oxygen

Where does gas exchange occur?

• In the trachea

• In the bronchi

• In the larynx

• In the alveoli

What is the role of the pharynx?

• To absorb oxygen

• To filter air

• To direct air to the larynx

• To connect the mouth to the lungs