Science Buddies
Science Buddies: Heart Health: How Does Heart Rate Change With Exercise?
Your heart starts beating before you are born and keeps right on going through your whole life. Over an average lifetime, the human heart beats more than 2.5 billion times. Keeping your heart healthy means eating right, not smoking, and...
Science Museum of Minnesota
Lesson Plan Site: Sounds of the Heart
For this site, students investigate the sounds of the heart, construct a stethoscope, and investigate the workings of valves.
Science Museum of Minnesota
Lesson Plan: Keeps on Pumpin'
In this interactive site, students will measure and calculate heart rates and determine the amount of blood pumped by their heart.