Breathing and Lung Function Concepts

Chloe and Nurb participate in the Bodylandia Lung Race, exploring the respiratory system. They learn about breathing, the role of the lungs, and the process of oxygen and carbon dioxide exchange. Despite initial challenges, they win the race, highlighting the importance of understanding how the body works.

What event are Chloe and the Nurb excited to participate in?

• A science fair

• A lung race

• A math competition

• A cooking contest

Why does Chloe start breathing hard during the race?

• She is laughing too much

• Her body needs more oxygen

• Her shoes are too tight

• She is feeling sleepy

What is the trachea also known as?

• The diaphragm

• The windpipe

• The esophagus

• The bronchus

What role does the diaphragm play in breathing?

• It filters the air

• It contracts and flattens to allow lung expansion

• It stores oxygen

• It pumps blood

What are bronchioles?

• Tiny air sacs

• Large tubes in the lungs

• Smaller tubes in the lungs

• Blood vessels

Where does the oxygen exchange occur in the lungs?

• In the bronchi

• In the alveoli

• In the trachea

• In the diaphragm

How many alveoli are approximately in the lungs?

• 600

• 600 million

• 6,000

• 60,000

What gas is expelled from the body during exhalation?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon dioxide

What happens to carbon dioxide in the body?

• It is carried by the bloodstream to the lungs

• It is stored in the muscles

• It is converted into oxygen

• It is absorbed by the cells

How does the race end for Chloe and the Nurb?

• They quit halfway

• They finish last

• They win the race

• They get disqualified