RESPIRATORY SYSTEM, QUIZ

What is the main function of the respiratory system?

• To help us breathe and remove carbon dioxide
• To regulate body temperature
• To aid in digestion
• To help us see clearly

Which part of the respiratory system is responsible for absorbing oxygen from the air we breathe?

• Trachea
• Throat
• Diaphragm
• Lungs

Where does the exchange of oxygen and carbon dioxide take place in the respiratory system?

• In the trachea
• In the throat
• In the nose
• In the alveoli inside the lungs

What muscle helps create space in the chest for the lungs to expand and fill with air?

• Diaphragm
• Biceps
• Quadriceps
• Abdominals

How does the diaphragm aid in breathing?

• By relaxing when we breathe in
• By moving upward when we breathe in
• By contracting when we breathe out
• By creating space in the chest when we breathe in

What is the purpose of the nose, mouth, throat, and trachea in the respiratory system?

• To remove oxygen from the air
• To regulate blood flow
• To warm and moisten the air we breathe
• To cool down the air we breathe

Which part of the respiratory system helps filter, warm, and moisten the air we breathe?

• Lungs
• Trachea
• Nose
• Throat

Why is the respiratory system essential for staying alive?

• To help us digest food
• To regulate body temperature
• To bring oxygen into the body
• To remove carbon dioxide from the body

Which part of the respiratory system is compared to a sponge that absorbs oxygen?

• Lungs
• Diaphragm
• Nose
• Trachea

What analogy is used to describe the function of the diaphragm in the respiratory system?

• A heater warming the air
• A filter cleaning the air
• A sponge absorbing water
• A pump moving water in and out of a well