Free help with homework

Why join Brainly?

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


If the circulatory system is healthy, it means the distribution of oxygen-rich blood as well as the collection of waste materials are normal. If the system is in bad condition, it may affect your physical performance since the heart cannot supply the needed amount of oxygen throughout the body, and, at times, it cannot pump hard and fast enough to do its task.
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