The vital importance of the heart, as an internal organ is to be discussed. With the following experiment it is possible to visualize pulse and monitor heart rate only with marshmallows, toothpick and a small sticker. Science teachers can download the labCamera software for free. website: intellisense.education facebook: www.facebook.com/intellisense.education twitter: @Intellisense_ youtube: Intellisense zrt blog: spiceupscience.blogspot.com
