Respiratory System Quiz

What is the function of the human respiratory system?

• Exchange of gases

• Digestion of food

• Pumping blood

• Filtering waste

What is the main purpose of oxygen for our cells?

• To create glucose

• To build proteins

• To produce carbon dioxide

• To make ATP

What is the byproduct of aerobic cellular respiration?

• Carbon dioxide

• Oxygen

• Water

• Glucose

What is the function of the nasal cavity in the respiratory system?

• Storing water

• Warming, humidifying, and filtering air

• Digesting food

• Producing hormones

Which structure prevents food from going down the trachea?

• Trachea

• Epiglottis

• Pharynx

• Larynx

What is the purpose of the rings of cartilage in the trachea?

• To digest food

• To produce mucus

• To filter air

• To support and keep it open

How many lobes does the right lung have?

• Three

• Five

• Four

• Two

Where does the gas exchange actually occur in the respiratory system?

• Bronchioles

• Trachea

• Alveoli

• Larynx

Which system works closely with the respiratory system to pick up oxygen and remove carbon dioxide?

• Nervous system

• Skeletal system

• Digestive system

• Circulatory system

Which muscles are involved in expanding and contracting the thoracic cavity during respiration?

• Pectoral and deltoid muscles

• Quadriceps and hamstrings

• Biceps and triceps

• Intercostal muscles, diaphragm, and abdominal wall muscles