What is the respiratory system?
Q: What is the respiratory system?
A: The respiratory system, also called the gas exchange system, is the body's process of getting rid of carbon dioxide and taking in oxygen.
Q: What are the main organs involved in this process?
A: The lungs are the main organ involved in this process.
Q: What is the first step in this process?
A: The first step in this process is breathing in air, or inhaling. Inhalation means bringing air rich in oxygen into the body.
Q: What happens during gas exchange?
A: During gas exchange, oxygen diffuses into the blood and carbon dioxide diffuses out of the blood.
Q: How does cellular respiration produce energy for cells?
A: Cellular respiration produces chemical energy that cells need to function, as well as carbon dioxide.
Q: Where does carbon dioxide from cellular respiration go after it's produced?
A: Carbon dioxide from cellular respiration is breathed out of the body from the lungs.
