Breathing Process Quiz

What is breathing process?

• producing energy

• process of inhaling and exhaling

• circulating blood in the body

• digesting food

Which organ is the first to receive oxygen when we inhale?

• Lungs

• Nose

• Trachea

• Heart

What is the name of the airway that connects the nose to the lungs?

• Esophagus

• Windpipe

• Trachea

• Diaphragm

Where does the exchange of gases take place in the human body?

• Nose

• Lungs

• Heart

• Brain

Which gas do we inhale from the air?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

Which gas is exhaled from the lungs?

• Oxygen

• Carbon dioxide

• Hydrogen

• Nitrogen

Which of the following correctly describes the process of exhaling?

• Air enters the lungs

• Carbon dioxide is breathed out

• Oxygen is absorbed by the blood

• The trachea closes

What is the correct sequence of air passage during exhalation?

i. Carbon dioxide passes through the trachea

ii. Carbon dioxide leaves the lungs

iii. Carbon dioxide exits through the nose

• ii → i→ iii

• i → ii → iii

• iii → i → ii

• i → iii → ii

Which of the following happens during inhalation?

• Air leaves the lungs

• The body releases carbon dioxide

• Oxygen enters the lungs

• The lungs shrink

What is the correct sequence of air passage during inhalation?

i. Oxygen enters the nose

ii. Oxygen reaches the lungs

iii. Oxygen passes through the trachea

• i → ii → iii

• ii → i → iii

• iii → i → ii

• i → iii → ii