This fun device, also called a Cootie Catcher, can help students review the components in these systems: circulatory, digestive, immune, integumentary, muscular, nervous, respiratory, and skeletal. For example, the components of the circulatory system are heart, artery, vein, and capillary and the components of the digestive system is mouth, esophagus, stomach, and intestines. Choose from several options:One player or two playersColor or blackline words that can be coloredHave students fill in d