Respiratory System Quiz

What is the primary function of the respiratory system?

• To circulate blood

• To absorb nutrients

• To absorb oxygen and release carbon dioxide

• To support the skeletal system

What is the primary organ of the respiratory system?

• Heart

• Liver

• Lungs

• Kidneys

Which part of the respiratory system is directly connected to the lungs?

• Esophagus

• Bronchi

• Stomach

• Pancreas

What is the function of the diaphragm in the respiratory system?

• To filter air

• To absorb nutrients

• To aid in digestion

• To help in breathing

Where is the diaphragm located in relation to the lungs?

• Inside the lungs

• Below the lungs

• Above the lungs

• Around the lungs

What happens to the diaphragm during inhalation?

• The diaphragm moves up

• The diaphragm stays in place

• The diaphragm moves down

• The diaphragm expands outward

What is the movement of the diaphragm during exhalation?

• It contracts

• It moves downward

• It relaxes

• It expands

What is the first part of the respiratory system that air enters after it is inhaled through the nose or mouth?

• Larynx

• Pharynx

• Lungs

• Trachea

After the pharynx, which part of the respiratory system does air travel to next?

• Lungs

• Nasal cavity

• Larynx

• Trachea

What is the common name for the larynx?

• Windpipe

• Voice box

• Breath tube

• Air passage