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100

What is the main organ of the respiratory system?

What is the lung.

100

Which muscle helps us breathe by moving down and up?

What is the diaphragm.

100

What is the function of the epiglottis?

What is the epiglottis.

100

How does the respiratory system work with the circulatory system?

What is it supplies oxygen to the blood and removes carbon dioxide

200

What gas do we breathe in that is essential for our body?

What is oxygen.

200

What is the role of cilia in the respiratory system?

What is to trap dust and germs.

200

What happens to the diaphragm when we inhale?

What is it contracts and moves down.

200

What is the role of the trachea?

What is to provide a passage for air to enter and exit the lungs.

300

What structure connects the throat to the lungs?

What is the trachea.

300

How does the respiratory system help regulate body temperature?

What is through the evaporation of moisture during exhalation.

300

How does smoking affect the respiratory system?

What is it damages the lungs and reduces oxygen.

300

Explain why carbon dioxide is important to the respiratory process.

What is it a waste product of respiration that needs to be exhaled?

400

What do we call the process of breathing in and out?

What is respiration.

400

What is the pathway air takes from the nose to the lungs?

What is the nasal cavity (mouth), trachea, bronchi, and alveoli.

400

What is asthma and how does it affect breathing?

What is a condition that causes the airways to become inflamed and narrow.

400

What body system does the respiratory system work directly with?

What is the circulatory system.

500

What is the name of the tiny air sacs in the lungs where gas exchange occurs?

What are alveoli.

500

What is the term for the exchange of oxygen and carbon dioxide in the lungs?

What is gas exchange.

500

What is the difference between the left and right lungs?

What is the left lung has two lobes and the right lung has three lobes.

500

What does ATP do?

What is carries energy within your cells.
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