Respiratory System Quiz

What does the respiratory system help us to do?

• Digest food

• Breathe

• Circulate blood

• Move muscles

Which bones help to protect our lungs and heart?

• Skull

• Femur

• Ribs

• Pelvis

What is the name of the muscle that helps our lungs to inflate?

• Biceps

• Diaphragm

• Triceps

• Quadriceps

Which gas does the body use from the air we breathe in?

• Nitrogen

• Helium

• Oxygen

• Carbon Dioxide

True or false? The windpipe is made of muscle.

• True

• False

What three things can we do to prevent the spread of respiratory infections?

• Wash hands, cover mouth when coughing, avoid close contact

• Eat more sugar, exercise less, sleep less

• Share drinks, avoid vaccines, ignore symptoms

• Skip meals, avoid water, stay indoors

What's the name of the lung condition that can be triggered by exercise, stress or allergies?

• Asthma

• Bronchitis

• Pneumonia

• Emphysema

How many litres of air do humans breathe every day?

• 10,000 litres

• 5,000 litres

• 15,000 litres

• 20,000 litres

The texture inside your lungs is spongy. Why is this important?

• To allow easy airflow

• To trap dust particles

• To increase surface area for gas exchange

• To protect against injury

What helps us to breathe?

• The digestive system

• The respiratory system

• The circulatory system

• The nervous system