answersLogoWhite

0


Best Answer

Mine beats at 1 per every second so I'm not sure. (I'm 13 but swim 11 hours a week)

User Avatar

Wiki User

βˆ™ 14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How fast should a 13 year old's heartbeat?
Write your answer...
Submit
Still have questions?
magnify glass
imp