Sagot :
Answer:
Like an inflated balloon our lungs are full of air. ... When you breathe in, air flows into your lungs. When you breathe out, air flows out of your lungs. The balloon inside the bottle is like one of your lungs.
Explanation:
Answer:
Like an inflated balloon our lungs are full of air. ... When you breathe in, air flows into your lungs. When you breathe out, air flows out of your lungs. The balloon inside the bottle is like one of your lungs.
Explanation: