At the PBS-WGBH site a viewer may actually place his finger on the pulse and observe the consequences of the heart’s actions.
A totally free index of Internet resources for the K-12 Community.
A totally free index of Internet resources for the K-12 Community.
At the PBS-WGBH site a viewer may actually place his finger on the pulse and observe the consequences of the heart’s actions.
Resource Link: https://www.pbs.org/wgbh/nova/eheart/