Archives: Videos

Learn how gas exchange occurs in the lungs, where oxygen is absorbed into the blood and carbon dioxide is released. This video explains the roles of alveoli, partial pressure gradients,…

Explore iron physiology, including its absorption, transport, storage, and role in vital processes like oxygen transport and cellular respiration. This video explains how the body regulates iron levels and the…

Explore the mechanism of breathing, including how pressure changes in the thoracic cavity drive air movement during inspiration and expiration. This video explains the roles of the diaphragm, intercostal muscles,…

Learn how blood is separated into its key components—white blood cells, platelets, and clotting factors—through the process of fractionation. This video explains the functions of each component and their roles…

Learn about the possible fates of a cell, including division, senescence, and programmed cell death, and how these processes maintain tissue health and homeostasis. This video explains the signals and…

Master the hormonal regulation of the female reproductive cycle with a clear, visual walkthrough of FSH, LH, estrogen, progesterone, inhibin, and the hypothalamic-pituitary-ovarian axis. This video explains the menstrual cycle’s…

Learn about Staphylococcus aureus and its role in causing skin abscesses, including its virulence factors and typical clinical presentation. This video explains how the bacteria invade skin tissue, trigger inflammation,…

Understand the pathophysiology of acne, focusing on the roles of sebum production, follicular hyperkeratinization, inflammation, and Cutibacterium acnes. This video explains how these factors interact to form different types of…

Learn how Toll-like receptors (TLRs) detect microbial components and activate signaling pathways that drive innate immune responses. This video provides an overview of different TLR types, their ligands, and their…

Explore the coronary circulation and how it delivers oxygen-rich blood to the heart muscle through the right and left coronary arteries. This video explains the anatomy, branching patterns, and physiological…