Biology Class 11 Chapter 12 Smart Sallynus 2025

In this course you will be learn about 

• Human skeleton 
• Muscular skeleton
• Structure of Bone and Cartilage
• Roles of osteoblast, osteoclast, and osteocyte
• Three major types of joints
• Muscles and their types ( cardiac muscles, smooth and skeletal muscles)
• Ultrastructure of skeletal muscles
• sliding filament model
• you will also learn about the role of antagonistic muscles in knee movement and also
• understand common conditions such as muscle fatigue, cramps and tetany