Podcast
Questions and Answers
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
- To aid in breathing, also called pulmonary ventilation
- To contract the diaphragm and external intercostal muscles during inhalation
- To help us smell things and create sound
- To facilitate the exchange of gases between the air and the blood, and between the blood and the body's cells (correct)
What is the process called where oxygen is exchanged for carbon dioxide waste inside the lungs?
What is the process called where oxygen is exchanged for carbon dioxide waste inside the lungs?
- Exhalation
- External respiration (correct)
- Pulmonary ventilation
- Inhalation
What happens to the lungs and air pressure during normal exhalation?
What happens to the lungs and air pressure during normal exhalation?
- The lungs remain the same size and the air pressure stays constant
- The lungs become larger and the air pressure drops, causing air to rush in
- The lungs expand and the air pressure drops, causing air to be expelled
- The lungs become smaller and the air pressure rises, causing air to be expelled (correct)
What is the name of the microscopic sacs in the lungs where the gas exchange process takes place?
What is the name of the microscopic sacs in the lungs where the gas exchange process takes place?
How does oxygen get transported through the bloodstream?
How does oxygen get transported through the bloodstream?
What is the function of the upper respiratory system?
What is the function of the upper respiratory system?
Where does oxygen diffuse to from the red blood cells at the narrow capillaries?
Where does oxygen diffuse to from the red blood cells at the narrow capillaries?
What happens to deoxygenated blood in the respiratory system after carrying carbon dioxide back to the lungs?
What happens to deoxygenated blood in the respiratory system after carrying carbon dioxide back to the lungs?
Which process involves red blood cells carrying oxygen absorbed from the lungs around the body?
Which process involves red blood cells carrying oxygen absorbed from the lungs around the body?
Where does carbon dioxide diffuse from during internal respiration?
Where does carbon dioxide diffuse from during internal respiration?
