53.1k views
2 votes
To increase oxygen delivery to working muscles during exercise, heart rate increases. Barry's heart rate has increased from 60 beats per minute (bpm) at rest, to 120 bpm during a run. What happens to the time taken for each cardiac cycle

1 Answer

4 votes

Answer:

For each minute he runs his heart is beating 60 beats so he would have had to have ran for 2 minutes.

Step-by-step explanation:

User Jmcnevin
by
8.5k points