Respiratory System Quiz

What is the function of the trachea?

• To filter air

• To exchange gases

• To carry air to the lungs

• To produce mucus

What is the main waste product produced during cellular respiration?

• Carbon monoxide

• Oxygen

• Nitrogen

• Carbon dioxide

Which part of the brain controls the basic rhythm of breathing?

• Cerebellum

• Medulla oblongata

• Hypothalamus

• Cerebral cortex

What is the role of the bronchioles in the respiratory system?

• Gas exchange

• Producing mucus

• Transporting oxygen to the bloodstream

• Branching into smaller airways

Which organ in the respiratory system is responsible for gas exchange?

• Bronchi

• Lungs

• Nasal cavity

• Pharynx

What is the primary function of the alveoli?

• To warm the air

• To humidify the air

• To exchange gases

• To produce mucus

Tags

NGSS.HS-LS1-7

Which of the following is NOT a step in gaseous exchange?

• Inhalation

• Oxygen diffusion into the blood

• Transport of oxygen to body cells

• Production of carbon dioxide in the lungs

Tags

NGSS.HS-LS2-3

The process of moving air into and out of the lungs is called:

• Respiration

• Ventilation

• Oxygenation

• Circulation

Which of the following is NOT an organ of the respiratory system?

• Lungs

• Heart

• Trachea

• Diaphragm

Which gas is primarily responsible for regulating breathing rate?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen