Human Respiratory System Quiz

What is the main function of the respiratory system?

• To pump blood

• To break down food

• To exchange gases (oxygen and carbon dioxide)

• To filter waste from the body

Which organ is the main part of the respiratory system?

• Heart

• Brain

• Lungs

• Stomach

What happens when we inhale?

• Air goes out of the lungs

• Oxygen enters the body

• Carbon dioxide enters the body

• Nothing changes

What is the name of the tube that carries air from the throat to the lungs?

• Esophagus

• Windpipe (Trachea)

• Vein

• Artery

Where does the exchange of gases occur in the lungs?

• Bronchi

• Alveoli

• Diaphragm

• Capillaries

Match the part of the respiratory system with its function: Nose

• Helps in breathing in and out

• Warms and filters the air

• Connects throat to lungs

• Place where gas exchange happens

• Main organ of respiration

Match the part of the respiratory system with its function: Trachea

• Helps in breathing in and out

• Warms and filters the air

• Connects throat to lungs

• Place where gas exchange happens

• Main organ of respiration

Match the part of the respiratory system with its function: Lungs

• Helps in breathing in and out

• Warms and filters the air

• Connects throat to lungs

• Place where gas exchange happens

• Main organ of respiration

Match the part of the respiratory system with its function: Alveoli

• Helps in breathing in and out

• Warms and filters the air

• Connects throat to lungs

• Place where gas exchange happens

• Main organ of respiration

Match the part of the respiratory system with its function: Diaphragm

• Helps in breathing in and out

• Warms and filters the air

• Connects throat to lungs

• Place where gas exchange happens

• Main organ of respiration