How We Breathe - Quiz

What are the two main subprocesses of breathing?

• Breathing In and Breathing Out

• Inhaling and Exhaling

• Inspiration and Expiration

• Inhalation and Exhalation

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

• To filter air

• To produce energy

• To facilitate gas exchange

• To store carbon dioxide

The muscles that help change the shape of the chest cavity during breathing are _____.

• Intercostal muscles
• Trachea

• Bronchi Muscles

• Pleural Muscles

What happens to the diaphragm during inhalation?

• It moves upward

• It contracts and moves downward

• It remains still

• It expands outward

What is the process of breathing out called?

• Expiration

• Inspiration

• Inhalation

• Ventilation

What is the difference between breathing and respiration?

• Breathing uses oxygen, respiration does not

• Breathing moves air, respiration produces energy

• Breathing is involuntary, respiration is voluntary

• Breathing occurs in the lungs, respiration occurs in the heart

What happens to the chest cavity during exhalation?

• It remains the same

• It fills with air

• It contracts

• It expands

What is required for gas exchange to occur effectively?

• Low humidity

• High temperature

• Steep concentration gradient

• Increased pressure

What type of breathing involves additional muscle use during physical activity?

• Passive Breathing

• Relaxed Breathing

• Normal Breathing

• Forced Breathing

What happens to the air pressure inside the lungs when you inhale?

• It fluctuates

• It remains constant

• It decreases

• It increases