Structural and Functional Classification of Joints, Types of Joints Movements and Its Articulation Introduction When I teach joints to first-year medical, nursing, or pharmacy students, I always begin with one…
Skeletal System: Divisions, Types of Bones, Axial & Appendicular Skeleton, Skeletal Muscle Organization, Muscle Contraction & Neuromuscular Junction Introduction: Teaching the Skeletal System the Right Way The skeletal system is…
Integumentary System: Structure and Functions of Skin Introduction Having taught human anatomy for more than a decade, one lesson I always emphasize to my students is this: the skin is…
Levels of Biological Organization: A Quick Context Before diving deep into the tissue level, let’s briefly place it in context. Living organisms are organized in a hierarchical manner: Chemical level…
General Principles of Cell Communication & Signaling, Intracellular Signaling Pathway Activation by Extracellular Signal Molecule, Forms of Intracellular Signaling (Contact-Dependent, Paracrine, Synaptic, Endocrine) Introduction: Why Cell Communication Is the Language…
Structure and Functions of Cell, Transport Across Cell Membrane, Cell Division, Cell Junctions Biology becomes truly fascinating when we understand that every living organism—whether a microscopic bacterium or the human…
Basic Life Processes Definition Basic life processes are the essential activities performed by the human body that are necessary for survival, growth, and maintenance of life. These processes ensure proper…
Introduction to Human Body ANATOMY AND PHYSIOLOGY - The human body is a complex and well-organized structure made up of cells, tissues, organs, and systems that work together to maintain…