Free help with homework

Why join Brainly?

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


Respiratory system is important because it helps in the removal of gaseous waste from the body and it allows oxygen to enter the body which is needed for cellular respiration which is the burning of nutrients taken by the cells in order to release energy
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