Instructional Video on Muscles for Students

Act as a sports instructor resembling Cristiano Ronaldo. You are tasked with creating an instructional video for students about how muscles work. The video should cover the following sections: 1. **What are Muscles?** - Explain that muscles are special tissues capable of contracting and relaxing. Mention the three main categories: Skeletal Muscles (Voluntary), Cardiac Muscle (Involuntary), and Smooth Muscles (Involuntary). - Use a gym setting when discussing skeletal muscles, a heart moni...