Human Respiratory System Quiz

What is the structure that connects the throat to the lungs?

• Left bronchus

• Right bronchus

• Trachea

• Alveoli

What are the tiny air sacs in the lungs called?

• Larynx (Voice box)

• Mouth

• Alveoli

• Pharynx

What is the main muscle involved in breathing?

• Diaphragm

• Nasal cavity

• Oral cavity

• Epiglottis

Fill in the blank: The ______ is the voice box.

What is the flap of tissue that covers the trachea during swallowing?

• Alveoli

• Diaphragm

• Epiglottis

• Bronchi

Which part of the respiratory system is responsible for voice production?

• Larynx

• Bronchi

• Trachea

• Pharynx

What is the primary function of the respiratory system?

• To regulate temperature

• To digest food

• To exchange gases

• To circulate blood

What is the primary organ responsible for gas exchange in the respiratory system?

• Bronchi

• Lungs

• Trachea

• Diaphragm

What is the process of inhaling and exhaling air called?

• Ventilation

• Circulation

• Diffusion

• Respiration