Learn about the major divisions of the nervous system, including the central and peripheral components, and how they coordinate body functions. This video explains the roles of the somatic and autonomic…

Learn about the sarcomere structure and the roles of myosin and actin in skeletal muscle contraction in this educational myology video. Understand the sliding filament mechanism and key molecular…

Explore the process of skeletal muscle contraction, from action potential initiation to cross-bridge cycling between actin and myosin. This educational video covers the role of calcium,…

Explore the detailed structure of skeletal muscle, including muscle fibers, myofibrils, sarcomeres, and associated connective tissue layers. This educational video explains how skeletal muscle anatomy…

Get an introduction to myology with a focus on the three muscle types: skeletal, cardiac, and smooth muscle—their structure, function, and control mechanisms. This educational video lays the foundation for…

Explore the adaptive immune system and how it provides specific, long-lasting protection through the actions of B cells and T cells. This video explains how the body recognizes antigens, generates memory,…

Learn how humoral immunity protects the body through the production of antibodies by B cells in response to extracellular pathogens. This video explains the activation, differentiation, and function of B cells…

Explore the mechanisms of cell-mediated immunity, focusing on how T cells identify and destroy infected or abnormal cells. This video explains the roles of CD4+ helper T cells and CD8+ cytotoxic T cells…

Delve deeper into the innate immune response by examining the roles of inflammatory mediators, the complement system, and natural killer (NK) cells. This video highlights how these components work together…

Learn how the innate immune system provides the body’s first line of defense through physical barriers, immune cells, and rapid responses to pathogens. This video covers key players like macrophages,…