Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


As you push the balloon , the two small balloons will deflate. Likewise , when you exhale the diaphragm muscle relaxes and the lungs will have a lesser volume and a higher pressure.
4 4 4
When you push the balloon at the bottom the two balloon inflate inside the bottle. 
2 4 2
i mean when you pull down hehehe..... if you push the balloon deflated
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts