Free help with homework

Why join Brainly?

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


Heart allows blood to circulate to be able to deliver oxygen to different parts of the body and get or remove carbon dioxide which is the by product of cellular respiration and deliver to lungs for expulsion from the body while the lungs gets fresh supply of oxygen that the blood will carry as it is being pumped by the heart
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