Why is training heart rate important?

Fourth and fifth grade students please use the links below to answer the above question. Please answer on
the discussion located above. To get credit for your answer:
1. You must use complete sentences.
2. Three to five sentences are required for your answer.
3. Do not copy and paste from the links.
4. Use your own words.
5. Be sure to put your name.

Training Heart Rate Resouce One

Training Heart Rate Resource Two

Training Heart Rate Resource Three