Studying the skeletal and muscular systems? Save money and purchase the bundle! This bundle includes 20 days of complete lesson plans, 10 days for each system. Students will love the fun, engaging activities provided. You will love that activities are low to no-prep and completely planned out for you!Lessons cover parts of the skeletal system, functions of the skeletal system, bones, joints and connective tissues, bone health, functions of the muscular system, voluntary and involuntary muscles,