Sport Science - The Respiratory System - Learning Check

What is the primary function of the alveoli in the lungs?

• To filter dust and particles from the air

• To exchange oxygen and carbon dioxide between the lungs and blood

• To produce mucus

• To support the trachea

Which part of the respiratory system is responsible for the movement of air into and out of the lungs?

• Alveoli

• Diaphragm

• Bronchi

• Larynx

What is the primary role of the diaphragm in respiration?

• To protect the lungs

• To pump blood

• To contract and relax, allowing the lungs to expand and contract

• To produce sound

Which structure connects the larynx to the bronchi?

• Trachea

• Alveoli

• Diaphragm

• Nasal cavity

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

• To exchange gases with the blood

• To carry air from the trachea to the lungs

• To filter air

• To produce mucus

How many lobes does the right lung have?

• One

• Two

• Three

• Four

What is the primary gas exchanged from the blood to the alveoli?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

Which of the following best describes the structure of alveoli?

• Thick-walled sacs

• Thin-walled sacs

• Tubular structures

• Rigid tubes

Which of the following is NOT a part of the airway structure?

• Trachea

• Bronchi

• Alveoli

• Diaphragm

What is the main component of the gas that we inhale?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium