Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the function of intercostal muscles in the respiratory system?
What is the function of intercostal muscles in the respiratory system?
- To separate the heart and lungs
- To make air rush in through the mouth and nose
- To help with gas exchange in the alveoli
- To control the expansion and contraction of the lungs (correct)
How do ribs contribute to breathing?
How do ribs contribute to breathing?
- By helping to carry oxygenated blood
- By separating the heart and lungs
- By contracting to pull the ribs up and out (correct)
- By exchanging gases in the alveoli
What happens when the diaphragm muscle contracts?
What happens when the diaphragm muscle contracts?
- Air rushes in through the mouth and nose (correct)
- Ribs move up and blood cells arrive at capillaries
- The chest gets smaller and air flows out
- Oxygen binds to red blood cells
What is the function of the trachea in the respiratory system?
What is the function of the trachea in the respiratory system?
Signup and view all the answers
Where are the alveoli located in relation to the bronchioles?
Where are the alveoli located in relation to the bronchioles?
Signup and view all the answers
How does gas exchange occur inside the alveoli?
How does gas exchange occur inside the alveoli?
Signup and view all the answers
What is the main purpose of alveoli in the respiratory system?
What is the main purpose of alveoli in the respiratory system?
Signup and view all the answers
How are alveoli designed to facilitate gas exchange efficiently?
How are alveoli designed to facilitate gas exchange efficiently?
Signup and view all the answers
What happens at the end of each bronchiole in the respiratory system?
What happens at the end of each bronchiole in the respiratory system?
Signup and view all the answers
Why do lungs have millions of bronchioles and alveoli?
Why do lungs have millions of bronchioles and alveoli?
Signup and view all the answers
