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Q: What is the main function of the breathing system?
A: To bring in oxygen (O) and release carbon dioxide (CO2)
Q: What is the tube called that carries air to the lungs?
A: The Trachea
Q: What are the tiny air sacs in the lungs called?
A: Alveoli
Q: Which muscle helps you breathe by moving up and down?
A: The Diaphram
Q: What are the two main parts of the breathing system where gas exchange happens?
A: The alveoli and capillaries
Q: What is the process called when oxygen moves from the alveoli into the blood?
A: Gas exchange
Q: What do your lungs do when you breathe in?
A: They inflate and expand
Q: What happens to the diaphragm when you breathe in?
A: It gets lower to make room for the inflated lungs
Q: What happens when you breathe out?
A: The diaphragm relaxes and moves upward, pushing air out of the lungs.
Q: What happens to your heart rate when you do exercise
A: It spikes up
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