Respiratory System Quiz

What is the main function of the respiratory system?

• To digest food

• To regulate body temperature

• To pump blood to the body

• To supply oxygen and remove carbon dioxide

Which part of the respiratory system is responsible for introducing air into the lungs and expelling it out?

• Pharynx

• Alveoli

• Bronchi

• Trachea

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

• Expel air from the lungs

• Transport food to the stomach

• Produce mucus to trap dust particles

• Pass air from the nose and trachea to the lower respiratory tract

Where does the gas exchange between air and blood take place in the respiratory system?

• Larynx

• Alveoli

• Bronchioles

• Trachea

What controls the breathing process in the respiratory system?

• Nervous system

• Endocrine system

• Digestive system

• Circulatory system

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

• Moves up and down to allow air to enter the lungs

• Produces mucus to trap dust particles

• Transports food to the stomach

• Expels air from the lungs

What is the average number of times inhalation and exhalation occur per minute in adult human beings under normal conditions?

• 32 times

• 8 times

• 24 times

• 16 times

What is the process that produces the chemical energy needed by the cells of the body in the respiratory system?

• Ventilation

• Cellular respiration

• Gas exchange

• Internal respiration

Which of the following is a disease that can affect the respiratory system?

• Diabetes

• Arthritis

• Hypertension

• Flu

What are alveoli filled with that provide a large surface area for gaseous exchange in the respiratory system?

• Blood capillaries

• Mucus

• Dust particles

• Microorganisms