How does your heartbeat change?

11th December, 2010 - Posted by Sammie Gann - No Comments

What is your pulse? Let’s find out! 1. Find your pulse on your wrist and count the beats for 15 seconds. 2. Multiply that number by 4.  (This will tell you how many times your heart beats in 1 minute.) 3. What is your pulse? How is your pulse different before exercising and after exercising? » Read More