Free help with homework

Why join Brainly?

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


The diaphragm aids in controlling our breathing. Whenever we inhale, our diaphragm contracts and moves downward, thus giving space for the chest cavity to expand as air fills the lungs. The opposite happens when we exhale, the diaphragm loosens and moves upward when the chest cavity is in its normal size and air leaves the body
0 0 0
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