Cardiovascular System: What activities change heart rate? 


Heart Rate in Humans and Dogs

Circulatory System is also known as the Cardiovascular System

Root Words:  Cardio - Heart.   and      Vascular - Blood Vessels

How to measure? Once you've found the pulse, use a timer and count the beats for 30 seconds. Multiply that number by 2.  The is the BPM or Beats Per Minute

How quickly does heart muscle beat in our pets? 

How does Blood move through the heart? 

My favorite heart diagram: 

These are some Fun Facts: