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Grade 9–College. Students can observe and measure the contraction of real muscle tissue. The kit features glycerinated (preserved) muscle tissue that amazingly retains the ability to contract when ATP and the appropriate ions are added. The glycerinated muscle is processed from striated muscle tissue. During processing, much of the water-soluble content is extracted in cold glycerol, while the striations are left intact and can be easily observed under low-power magnification.

Grade 9–College. This activity is designed for minimal prep time and can be completed in 1 class period. Students observe and measure the contraction of real muscle tissue using the materials included. The kit features glycerinated (preserved) muscle tissue that amazingly retains the ability to contract when ATP and the appropriate ions are added. The glycerinated muscle is processed from striated muscle tissue. During processing, much of the water-soluble content is extracted in cold glycerol, while the striations are left intact and can be easily observed under low-power magnification.

Each strip of glycerinated muscle can be cut into 2- to 3-cm lengths. Kit materials are sufficient for a class of 16 to 32 students and include teacher's manual with student guide plus a 1-year single teacher subscription to digital resources that support 3-dimensional instruction. Replacement kit replenishes solutions and muscle strips, plus provides an additional 1-year single teacher subscription to digital resources. Note: Kit and replacement kit are perishable; please provide use date during checkout. When the materials arrive, refrigerate the solutions at 4 to 10° C and use them within 7 days. Place the tubes with muscle strips in a freezer compartment at -20 to -10° C.